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Finding the Fourth Proportional to 354,704.78, 532,057.17 and 236,606.78

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Solution

The fourth proportional to 354,704.78, 532,057.17 and 236,606.78 is: 354,910.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,704.78 : 532,057.17 = 236,606.78 : x
  2. Step 2: Convert to fraction form
    354,704.78/532,057.17 = 236,606.78/x
  3. Step 3: Cross multiply
    354,704.78x = 532,057.17 × 236,606.78
  4. Step 4: Simplify right side
    354,704.78x = 125,888,333,769.61
  5. Step 5: Solve for x
    x = 125,888,333,769.61/354,704.78
  6. Step 6: Final answer
    x = 354,910.17

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Similar ratio
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1.5x scale

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.