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Finding the Fourth Proportional to 317,042.96, 437,522.40 and 173,805.92

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Solution

The fourth proportional to 317,042.96, 437,522.40 and 173,805.92 is: 239,853.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,042.96 : 437,522.40 = 173,805.92 : x
  2. Step 2: Convert to fraction form
    317,042.96/437,522.40 = 173,805.92/x
  3. Step 3: Cross multiply
    317,042.96x = 437,522.40 × 173,805.92
  4. Step 4: Simplify right side
    317,042.96x = 76,043,983,252.61
  5. Step 5: Solve for x
    x = 76,043,983,252.61/317,042.96
  6. Step 6: Final answer
    x = 239,853.88

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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.