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Finding the Fourth Proportional to 664,595.30, 996,892.95 and 591,112.10

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Solution

The fourth proportional to 664,595.30, 996,892.95 and 591,112.10 is: 886,668.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,595.30 : 996,892.95 = 591,112.10 : x
  2. Step 2: Convert to fraction form
    664,595.30/996,892.95 = 591,112.10/x
  3. Step 3: Cross multiply
    664,595.30x = 996,892.95 × 591,112.10
  4. Step 4: Simplify right side
    664,595.30x = 589,275,485,149.70
  5. Step 5: Solve for x
    x = 589,275,485,149.70/664,595.30
  6. Step 6: Final answer
    x = 886,668.15

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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.