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Finding the Fourth Proportional to 366,922.80, 550,384.20 and 247,348.58

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Solution

The fourth proportional to 366,922.80, 550,384.20 and 247,348.58 is: 371,022.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,922.80 : 550,384.20 = 247,348.58 : x
  2. Step 2: Convert to fraction form
    366,922.80/550,384.20 = 247,348.58/x
  3. Step 3: Cross multiply
    366,922.80x = 550,384.20 × 247,348.58
  4. Step 4: Simplify right side
    366,922.80x = 136,136,747,572.52
  5. Step 5: Solve for x
    x = 136,136,747,572.52/366,922.80
  6. Step 6: Final answer
    x = 371,022.86

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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.