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Finding the Fourth Proportional to 585,469.68, 807,948 and 317,197.68

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Solution

The fourth proportional to 585,469.68, 807,948 and 317,197.68 is: 437,732.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,469.68 : 807,948 = 317,197.68 : x
  2. Step 2: Convert to fraction form
    585,469.68/807,948 = 317,197.68/x
  3. Step 3: Cross multiply
    585,469.68x = 807,948 × 317,197.68
  4. Step 4: Simplify right side
    585,469.68x = 256,279,231,160.64
  5. Step 5: Solve for x
    x = 256,279,231,160.64/585,469.68
  6. Step 6: Final answer
    x = 437,732.71

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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.