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Finding the Fourth Proportional to 291,221.80, 401,789.10 and 237,414.04

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Solution

The fourth proportional to 291,221.80, 401,789.10 and 237,414.04 is: 327,552.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,221.80 : 401,789.10 = 237,414.04 : x
  2. Step 2: Convert to fraction form
    291,221.80/401,789.10 = 237,414.04/x
  3. Step 3: Cross multiply
    291,221.80x = 401,789.10 × 237,414.04
  4. Step 4: Simplify right side
    291,221.80x = 95,390,373,458.96
  5. Step 5: Solve for x
    x = 95,390,373,458.96/291,221.80
  6. Step 6: Final answer
    x = 327,552.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.