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Finding the Fourth Proportional to 366,856.80, 550,285.20 and 242,197.80

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Solution

The fourth proportional to 366,856.80, 550,285.20 and 242,197.80 is: 363,296.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,856.80 : 550,285.20 = 242,197.80 : x
  2. Step 2: Convert to fraction form
    366,856.80/550,285.20 = 242,197.80/x
  3. Step 3: Cross multiply
    366,856.80x = 550,285.20 × 242,197.80
  4. Step 4: Simplify right side
    366,856.80x = 133,277,864,812.56
  5. Step 5: Solve for x
    x = 133,277,864,812.56/366,856.80
  6. Step 6: Final answer
    x = 363,296.70

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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.