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Finding the Fourth Proportional to 502,781.66, 694,062.36 and 298,898.60

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Solution

The fourth proportional to 502,781.66, 694,062.36 and 298,898.60 is: 412,613.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,781.66 : 694,062.36 = 298,898.60 : x
  2. Step 2: Convert to fraction form
    502,781.66/694,062.36 = 298,898.60/x
  3. Step 3: Cross multiply
    502,781.66x = 694,062.36 × 298,898.60
  4. Step 4: Simplify right side
    502,781.66x = 207,454,267,716.70
  5. Step 5: Solve for x
    x = 207,454,267,716.70/502,781.66
  6. Step 6: Final answer
    x = 412,613.04

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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.