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Finding the Fourth Proportional to 366,952.80, 550,429.20 and 247,378.58

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Solution

The fourth proportional to 366,952.80, 550,429.20 and 247,378.58 is: 371,067.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,952.80 : 550,429.20 = 247,378.58 : x
  2. Step 2: Convert to fraction form
    366,952.80/550,429.20 = 247,378.58/x
  3. Step 3: Cross multiply
    366,952.80x = 550,429.20 × 247,378.58
  4. Step 4: Simplify right side
    366,952.80x = 136,164,391,134.39
  5. Step 5: Solve for x
    x = 136,164,391,134.39/366,952.80
  6. Step 6: Final answer
    x = 371,067.86

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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.