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Finding the Fourth Proportional to 225,444.86, 338,395.17 and 199,966.28

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Solution

The fourth proportional to 225,444.86, 338,395.17 and 199,966.28 is: 300,151.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,444.86 : 338,395.17 = 199,966.28 : x
  2. Step 2: Convert to fraction form
    225,444.86/338,395.17 = 199,966.28/x
  3. Step 3: Cross multiply
    225,444.86x = 338,395.17 × 199,966.28
  4. Step 4: Simplify right side
    225,444.86x = 67,667,621,622.89
  5. Step 5: Solve for x
    x = 67,667,621,622.89/225,444.86
  6. Step 6: Final answer
    x = 300,151.55

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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.