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Finding the Fourth Proportional to 664,180.20, 996,270.30 and 454,228.20

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Solution

The fourth proportional to 664,180.20, 996,270.30 and 454,228.20 is: 681,342.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,180.20 : 996,270.30 = 454,228.20 : x
  2. Step 2: Convert to fraction form
    664,180.20/996,270.30 = 454,228.20/x
  3. Step 3: Cross multiply
    664,180.20x = 996,270.30 × 454,228.20
  4. Step 4: Simplify right side
    664,180.20x = 452,534,065,082.46
  5. Step 5: Solve for x
    x = 452,534,065,082.46/664,180.20
  6. Step 6: Final answer
    x = 681,342.30

Related Problems

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Half scale
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Double scale
Find fourth proportional to 664,181.20, 996,271.80 and 454,229.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.