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Finding the Fourth Proportional to 317,336.61, 437,963.29 and 181,376.29

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Solution

The fourth proportional to 317,336.61, 437,963.29 and 181,376.29 is: 250,321.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,336.61 : 437,963.29 = 181,376.29 : x
  2. Step 2: Convert to fraction form
    317,336.61/437,963.29 = 181,376.29/x
  3. Step 3: Cross multiply
    317,336.61x = 437,963.29 × 181,376.29
  4. Step 4: Simplify right side
    317,336.61x = 79,436,156,696.39
  5. Step 5: Solve for x
    x = 79,436,156,696.39/317,336.61
  6. Step 6: Final answer
    x = 250,321.44

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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.