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Finding the Fourth Proportional to 366,956.10, 550,434.15 and 254,981.70

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Solution

The fourth proportional to 366,956.10, 550,434.15 and 254,981.70 is: 382,472.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,956.10 : 550,434.15 = 254,981.70 : x
  2. Step 2: Convert to fraction form
    366,956.10/550,434.15 = 254,981.70/x
  3. Step 3: Cross multiply
    366,956.10x = 550,434.15 × 254,981.70
  4. Step 4: Simplify right side
    366,956.10x = 140,350,635,305.06
  5. Step 5: Solve for x
    x = 140,350,635,305.06/366,956.10
  6. Step 6: Final answer
    x = 382,472.55

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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.