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Finding the Fourth Proportional to 932.01, 1,398.24 and 273.87

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Solution

The fourth proportional to 932.01, 1,398.24 and 273.87 is: 410.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    932.01 : 1,398.24 = 273.87 : x
  2. Step 2: Convert to fraction form
    932.01/1,398.24 = 273.87/x
  3. Step 3: Cross multiply
    932.01x = 1,398.24 × 273.87
  4. Step 4: Simplify right side
    932.01x = 382,942.31
  5. Step 5: Solve for x
    x = 382,942.31/932.01
  6. Step 6: Final answer
    x = 410.88

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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.