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Finding the Fourth Proportional to 363,611.52, 545,393.28 and 174,207.36

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Solution

The fourth proportional to 363,611.52, 545,393.28 and 174,207.36 is: 261,299.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,611.52 : 545,393.28 = 174,207.36 : x
  2. Step 2: Convert to fraction form
    363,611.52/545,393.28 = 174,207.36/x
  3. Step 3: Cross multiply
    363,611.52x = 545,393.28 × 174,207.36
  4. Step 4: Simplify right side
    363,611.52x = 95,011,523,470.54
  5. Step 5: Solve for x
    x = 95,011,523,470.54/363,611.52
  6. Step 6: Final answer
    x = 261,299.54

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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.