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Finding the Fourth Proportional to 627,532.72, 866,001.88 and 341,052.82

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Solution

The fourth proportional to 627,532.72, 866,001.88 and 341,052.82 is: 470,656.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,532.72 : 866,001.88 = 341,052.82 : x
  2. Step 2: Convert to fraction form
    627,532.72/866,001.88 = 341,052.82/x
  3. Step 3: Cross multiply
    627,532.72x = 866,001.88 × 341,052.82
  4. Step 4: Simplify right side
    627,532.72x = 295,352,383,299.30
  5. Step 5: Solve for x
    x = 295,352,383,299.30/627,532.72
  6. Step 6: Final answer
    x = 470,656.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.