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Finding the Fourth Proportional to 291,441.44, 402,375.20 and 237,854.48

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Solution

The fourth proportional to 291,441.44, 402,375.20 and 237,854.48 is: 328,390.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,441.44 : 402,375.20 = 237,854.48 : x
  2. Step 2: Convert to fraction form
    291,441.44/402,375.20 = 237,854.48/x
  3. Step 3: Cross multiply
    291,441.44x = 402,375.20 × 237,854.48
  4. Step 4: Simplify right side
    291,441.44x = 95,706,740,759.75
  5. Step 5: Solve for x
    x = 95,706,740,759.75/291,441.44
  6. Step 6: Final answer
    x = 328,390.98

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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.