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Finding the Fourth Proportional to 567,717.22, 852,166.41 and 418,126.42

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Solution

The fourth proportional to 567,717.22, 852,166.41 and 418,126.42 is: 627,624.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,717.22 : 852,166.41 = 418,126.42 : x
  2. Step 2: Convert to fraction form
    567,717.22/852,166.41 = 418,126.42/x
  3. Step 3: Cross multiply
    567,717.22x = 852,166.41 × 418,126.42
  4. Step 4: Simplify right side
    567,717.22x = 356,313,290,257.55
  5. Step 5: Solve for x
    x = 356,313,290,257.55/567,717.22
  6. Step 6: Final answer
    x = 627,624.59

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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.