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Finding the Fourth Proportional to 359,060.52, 495,321.30 and 274,029.96

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Solution

The fourth proportional to 359,060.52, 495,321.30 and 274,029.96 is: 378,022.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,060.52 : 495,321.30 = 274,029.96 : x
  2. Step 2: Convert to fraction form
    359,060.52/495,321.30 = 274,029.96/x
  3. Step 3: Cross multiply
    359,060.52x = 495,321.30 × 274,029.96
  4. Step 4: Simplify right side
    359,060.52x = 135,732,876,026.15
  5. Step 5: Solve for x
    x = 135,732,876,026.15/359,060.52
  6. Step 6: Final answer
    x = 378,022.28

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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.