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Finding the Fourth Proportional to 577,059.38, 864,834.99 and 417,672.18

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Solution

The fourth proportional to 577,059.38, 864,834.99 and 417,672.18 is: 625,962.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,059.38 : 864,834.99 = 417,672.18 : x
  2. Step 2: Convert to fraction form
    577,059.38/864,834.99 = 417,672.18/x
  3. Step 3: Cross multiply
    577,059.38x = 864,834.99 × 417,672.18
  4. Step 4: Simplify right side
    577,059.38x = 361,217,515,613.58
  5. Step 5: Solve for x
    x = 361,217,515,613.58/577,059.38
  6. Step 6: Final answer
    x = 625,962.47

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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.