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Finding the Fourth Proportional to 356,600.97, 534,376.58 and 156,738.33

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Solution

The fourth proportional to 356,600.97, 534,376.58 and 156,738.33 is: 234,876.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,600.97 : 534,376.58 = 156,738.33 : x
  2. Step 2: Convert to fraction form
    356,600.97/534,376.58 = 156,738.33/x
  3. Step 3: Cross multiply
    356,600.97x = 534,376.58 × 156,738.33
  4. Step 4: Simplify right side
    356,600.97x = 83,757,291,956.62
  5. Step 5: Solve for x
    x = 83,757,291,956.62/356,600.97
  6. Step 6: Final answer
    x = 234,876.79

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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.