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Finding the Fourth Proportional to 546,764.52, 820,052.21 and 247,175.42

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Solution

The fourth proportional to 546,764.52, 820,052.21 and 247,175.42 is: 370,720.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,764.52 : 820,052.21 = 247,175.42 : x
  2. Step 2: Convert to fraction form
    546,764.52/820,052.21 = 247,175.42/x
  3. Step 3: Cross multiply
    546,764.52x = 820,052.21 × 247,175.42
  4. Step 4: Simplify right side
    546,764.52x = 202,696,753,213.14
  5. Step 5: Solve for x
    x = 202,696,753,213.14/546,764.52
  6. Step 6: Final answer
    x = 370,720.38

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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.