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Finding the Fourth Proportional to 347,073.80, 521,092.52 and 178,714.44

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Solution

The fourth proportional to 347,073.80, 521,092.52 and 178,714.44 is: 268,319.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,073.80 : 521,092.52 = 178,714.44 : x
  2. Step 2: Convert to fraction form
    347,073.80/521,092.52 = 178,714.44/x
  3. Step 3: Cross multiply
    347,073.80x = 521,092.52 × 178,714.44
  4. Step 4: Simplify right side
    347,073.80x = 93,126,757,899.99
  5. Step 5: Solve for x
    x = 93,126,757,899.99/347,073.80
  6. Step 6: Final answer
    x = 268,319.76

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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.