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Finding the Fourth Proportional to 894,691.99, 1,234,708.95 and 512,792.47

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Solution

The fourth proportional to 894,691.99, 1,234,708.95 and 512,792.47 is: 707,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,691.99 : 1,234,708.95 = 512,792.47 : x
  2. Step 2: Convert to fraction form
    894,691.99/1,234,708.95 = 512,792.47/x
  3. Step 3: Cross multiply
    894,691.99x = 1,234,708.95 × 512,792.47
  4. Step 4: Simplify right side
    894,691.99x = 633,149,452,201.61
  5. Step 5: Solve for x
    x = 633,149,452,201.61/894,691.99
  6. Step 6: Final answer
    x = 707,673.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.