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Finding the Fourth Proportional to 539,062.10, 808,593.15 and 512,818.10

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Solution

The fourth proportional to 539,062.10, 808,593.15 and 512,818.10 is: 769,227.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,062.10 : 808,593.15 = 512,818.10 : x
  2. Step 2: Convert to fraction form
    539,062.10/808,593.15 = 512,818.10/x
  3. Step 3: Cross multiply
    539,062.10x = 808,593.15 × 512,818.10
  4. Step 4: Simplify right side
    539,062.10x = 414,661,202,856.02
  5. Step 5: Solve for x
    x = 414,661,202,856.02/539,062.10
  6. Step 6: Final answer
    x = 769,227.15

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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.