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Finding the Fourth Proportional to 431,715.83, 595,772.17 and 238,131.81

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Solution

The fourth proportional to 431,715.83, 595,772.17 and 238,131.81 is: 328,624.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,715.83 : 595,772.17 = 238,131.81 : x
  2. Step 2: Convert to fraction form
    431,715.83/595,772.17 = 238,131.81/x
  3. Step 3: Cross multiply
    431,715.83x = 595,772.17 × 238,131.81
  4. Step 4: Simplify right side
    431,715.83x = 141,872,304,594.40
  5. Step 5: Solve for x
    x = 141,872,304,594.40/431,715.83
  6. Step 6: Final answer
    x = 328,624.29

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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.