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Finding the Fourth Proportional to 374,862.66, 516,772.42 and 267,245.86

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Solution

The fourth proportional to 374,862.66, 516,772.42 and 267,245.86 is: 368,415.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,862.66 : 516,772.42 = 267,245.86 : x
  2. Step 2: Convert to fraction form
    374,862.66/516,772.42 = 267,245.86/x
  3. Step 3: Cross multiply
    374,862.66x = 516,772.42 × 267,245.86
  4. Step 4: Simplify right side
    374,862.66x = 138,105,287,179.02
  5. Step 5: Solve for x
    x = 138,105,287,179.02/374,862.66
  6. Step 6: Final answer
    x = 368,415.69

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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.