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Finding the Fourth Proportional to 361,693.43, 542,429.33 and 250,090.82

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Solution

The fourth proportional to 361,693.43, 542,429.33 and 250,090.82 is: 375,059.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,693.43 : 542,429.33 = 250,090.82 : x
  2. Step 2: Convert to fraction form
    361,693.43/542,429.33 = 250,090.82/x
  3. Step 3: Cross multiply
    361,693.43x = 542,429.33 × 250,090.82
  4. Step 4: Simplify right side
    361,693.43x = 135,656,591,969.15
  5. Step 5: Solve for x
    x = 135,656,591,969.15/361,693.43
  6. Step 6: Final answer
    x = 375,059.60

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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.