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Finding the Fourth Proportional to 356,753.52, 492,316.17 and 195,608.30

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Solution

The fourth proportional to 356,753.52, 492,316.17 and 195,608.30 is: 269,937.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,753.52 : 492,316.17 = 195,608.30 : x
  2. Step 2: Convert to fraction form
    356,753.52/492,316.17 = 195,608.30/x
  3. Step 3: Cross multiply
    356,753.52x = 492,316.17 × 195,608.30
  4. Step 4: Simplify right side
    356,753.52x = 96,301,126,614.63
  5. Step 5: Solve for x
    x = 96,301,126,614.63/356,753.52
  6. Step 6: Final answer
    x = 269,937.43

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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.