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Finding the Fourth Proportional to 569,759.90, 853,513.45 and 499,718.30

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Solution

The fourth proportional to 569,759.90, 853,513.45 and 499,718.30 is: 748,589.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,759.90 : 853,513.45 = 499,718.30 : x
  2. Step 2: Convert to fraction form
    569,759.90/853,513.45 = 499,718.30/x
  3. Step 3: Cross multiply
    569,759.90x = 853,513.45 × 499,718.30
  4. Step 4: Simplify right side
    569,759.90x = 426,516,290,261.14
  5. Step 5: Solve for x
    x = 426,516,290,261.14/569,759.90
  6. Step 6: Final answer
    x = 748,589.52

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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.