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Finding the Fourth Proportional to 664,088.20, 996,132.30 and 165,452.20

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Solution

The fourth proportional to 664,088.20, 996,132.30 and 165,452.20 is: 248,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,088.20 : 996,132.30 = 165,452.20 : x
  2. Step 2: Convert to fraction form
    664,088.20/996,132.30 = 165,452.20/x
  3. Step 3: Cross multiply
    664,088.20x = 996,132.30 × 165,452.20
  4. Step 4: Simplify right side
    664,088.20x = 164,812,280,526.06
  5. Step 5: Solve for x
    x = 164,812,280,526.06/664,088.20
  6. Step 6: Final answer
    x = 248,178.30

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Half scale
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Double scale
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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.