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Finding the Fourth Proportional to 435,240.32, 652,864.08 and 119,714.48

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Solution

The fourth proportional to 435,240.32, 652,864.08 and 119,714.48 is: 179,572.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,240.32 : 652,864.08 = 119,714.48 : x
  2. Step 2: Convert to fraction form
    435,240.32/652,864.08 = 119,714.48/x
  3. Step 3: Cross multiply
    435,240.32x = 652,864.08 × 119,714.48
  4. Step 4: Simplify right side
    435,240.32x = 78,157,283,847.88
  5. Step 5: Solve for x
    x = 78,157,283,847.88/435,240.32
  6. Step 6: Final answer
    x = 179,572.71

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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.