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Finding the Fourth Proportional to 354,472.45, 531,705.94 and 88,231.19

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Solution

The fourth proportional to 354,472.45, 531,705.94 and 88,231.19 is: 132,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,472.45 : 531,705.94 = 88,231.19 : x
  2. Step 2: Convert to fraction form
    354,472.45/531,705.94 = 88,231.19/x
  3. Step 3: Cross multiply
    354,472.45x = 531,705.94 × 88,231.19
  4. Step 4: Simplify right side
    354,472.45x = 46,913,044,937.16
  5. Step 5: Solve for x
    x = 46,913,044,937.16/354,472.45
  6. Step 6: Final answer
    x = 132,346.10

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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.