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Finding the Fourth Proportional to 465,481.61, 698,221.14 and 123,925.04

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Solution

The fourth proportional to 465,481.61, 698,221.14 and 123,925.04 is: 185,887.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,481.61 : 698,221.14 = 123,925.04 : x
  2. Step 2: Convert to fraction form
    465,481.61/698,221.14 = 123,925.04/x
  3. Step 3: Cross multiply
    465,481.61x = 698,221.14 × 123,925.04
  4. Step 4: Simplify right side
    465,481.61x = 86,527,079,212.24
  5. Step 5: Solve for x
    x = 86,527,079,212.24/465,481.61
  6. Step 6: Final answer
    x = 185,887.22

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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.