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Finding the Fourth Proportional to 334,432.78, 501,813.18 and 156,954.22

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Solution

The fourth proportional to 334,432.78, 501,813.18 and 156,954.22 is: 235,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,432.78 : 501,813.18 = 156,954.22 : x
  2. Step 2: Convert to fraction form
    334,432.78/501,813.18 = 156,954.22/x
  3. Step 3: Cross multiply
    334,432.78x = 501,813.18 × 156,954.22
  4. Step 4: Simplify right side
    334,432.78x = 78,761,696,252.62
  5. Step 5: Solve for x
    x = 78,761,696,252.62/334,432.78
  6. Step 6: Final answer
    x = 235,508.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.