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Finding the Fourth Proportional to 367,793.46, 551,755.80 and 143,276.04

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Solution

The fourth proportional to 367,793.46, 551,755.80 and 143,276.04 is: 214,939.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,793.46 : 551,755.80 = 143,276.04 : x
  2. Step 2: Convert to fraction form
    367,793.46/551,755.80 = 143,276.04/x
  3. Step 3: Cross multiply
    367,793.46x = 551,755.80 × 143,276.04
  4. Step 4: Simplify right side
    367,793.46x = 79,053,386,071.03
  5. Step 5: Solve for x
    x = 79,053,386,071.03/367,793.46
  6. Step 6: Final answer
    x = 214,939.62

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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.