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Finding the Fourth Proportional to 291,876.91, 402,636.92 and 237,489.80

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Solution

The fourth proportional to 291,876.91, 402,636.92 and 237,489.80 is: 327,611.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,876.91 : 402,636.92 = 237,489.80 : x
  2. Step 2: Convert to fraction form
    291,876.91/402,636.92 = 237,489.80/x
  3. Step 3: Cross multiply
    291,876.91x = 402,636.92 × 237,489.80
  4. Step 4: Simplify right side
    291,876.91x = 95,622,158,402.78
  5. Step 5: Solve for x
    x = 95,622,158,402.78/291,876.91
  6. Step 6: Final answer
    x = 327,611.25

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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.