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Finding the Fourth Proportional to 367,458.16, 551,290.96 and 145,997.68

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Solution

The fourth proportional to 367,458.16, 551,290.96 and 145,997.68 is: 219,037.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,458.16 : 551,290.96 = 145,997.68 : x
  2. Step 2: Convert to fraction form
    367,458.16/551,290.96 = 145,997.68/x
  3. Step 3: Cross multiply
    367,458.16x = 551,290.96 × 145,997.68
  4. Step 4: Simplify right side
    367,458.16x = 80,487,201,164.97
  5. Step 5: Solve for x
    x = 80,487,201,164.97/367,458.16
  6. Step 6: Final answer
    x = 219,037.73

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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.