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Finding the Fourth Proportional to 274,691.43, 378,702.06 and 234,833.35

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Solution

The fourth proportional to 274,691.43, 378,702.06 and 234,833.35 is: 323,751.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,691.43 : 378,702.06 = 234,833.35 : x
  2. Step 2: Convert to fraction form
    274,691.43/378,702.06 = 234,833.35/x
  3. Step 3: Cross multiply
    274,691.43x = 378,702.06 × 234,833.35
  4. Step 4: Simplify right side
    274,691.43x = 88,931,873,401.70
  5. Step 5: Solve for x
    x = 88,931,873,401.70/274,691.43
  6. Step 6: Final answer
    x = 323,751.90

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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.