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Finding the Fourth Proportional to 362,017.20, 542,766.60 and 151,546.80

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Solution

The fourth proportional to 362,017.20, 542,766.60 and 151,546.80 is: 227,211.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,017.20 : 542,766.60 = 151,546.80 : x
  2. Step 2: Convert to fraction form
    362,017.20/542,766.60 = 151,546.80/x
  3. Step 3: Cross multiply
    362,017.20x = 542,766.60 × 151,546.80
  4. Step 4: Simplify right side
    362,017.20x = 82,254,541,376.88
  5. Step 5: Solve for x
    x = 82,254,541,376.88/362,017.20
  6. Step 6: Final answer
    x = 227,211.69

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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.