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Finding the Fourth Proportional to 483,729.55, 725,609.55 and 123,902.65

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Solution

The fourth proportional to 483,729.55, 725,609.55 and 123,902.65 is: 185,857.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,729.55 : 725,609.55 = 123,902.65 : x
  2. Step 2: Convert to fraction form
    483,729.55/725,609.55 = 123,902.65/x
  3. Step 3: Cross multiply
    483,729.55x = 725,609.55 × 123,902.65
  4. Step 4: Simplify right side
    483,729.55x = 89,904,946,110.31
  5. Step 5: Solve for x
    x = 89,904,946,110.31/483,729.55
  6. Step 6: Final answer
    x = 185,857.87

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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.