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Finding the Fourth Proportional to 349,001.34, 523,481.15 and 124,349.87

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Solution

The fourth proportional to 349,001.34, 523,481.15 and 124,349.87 is: 186,517.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,001.34 : 523,481.15 = 124,349.87 : x
  2. Step 2: Convert to fraction form
    349,001.34/523,481.15 = 124,349.87/x
  3. Step 3: Cross multiply
    349,001.34x = 523,481.15 × 124,349.87
  4. Step 4: Simplify right side
    349,001.34x = 65,094,809,710.80
  5. Step 5: Solve for x
    x = 65,094,809,710.80/349,001.34
  6. Step 6: Final answer
    x = 186,517.36

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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.