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Finding the Fourth Proportional to 617,224.38, 924,995.94 and 347,481.18

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Solution

The fourth proportional to 617,224.38, 924,995.94 and 347,481.18 is: 520,748.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,224.38 : 924,995.94 = 347,481.18 : x
  2. Step 2: Convert to fraction form
    617,224.38/924,995.94 = 347,481.18/x
  3. Step 3: Cross multiply
    617,224.38x = 924,995.94 × 347,481.18
  4. Step 4: Simplify right side
    617,224.38x = 321,418,680,726.41
  5. Step 5: Solve for x
    x = 321,418,680,726.41/617,224.38
  6. Step 6: Final answer
    x = 520,748.52

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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.