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Finding the Fourth Proportional to 361,862.55, 542,795.22 and 151,352.82

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Solution

The fourth proportional to 361,862.55, 542,795.22 and 151,352.82 is: 227,029.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,862.55 : 542,795.22 = 151,352.82 : x
  2. Step 2: Convert to fraction form
    361,862.55/542,795.22 = 151,352.82/x
  3. Step 3: Cross multiply
    361,862.55x = 542,795.22 × 151,352.82
  4. Step 4: Simplify right side
    361,862.55x = 82,153,587,229.52
  5. Step 5: Solve for x
    x = 82,153,587,229.52/361,862.55
  6. Step 6: Final answer
    x = 227,029.81

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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.