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Finding the Fourth Proportional to 362,118.30, 543,177.45 and 359,493.90

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Solution

The fourth proportional to 362,118.30, 543,177.45 and 359,493.90 is: 539,240.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,118.30 : 543,177.45 = 359,493.90 : x
  2. Step 2: Convert to fraction form
    362,118.30/543,177.45 = 359,493.90/x
  3. Step 3: Cross multiply
    362,118.30x = 543,177.45 × 359,493.90
  4. Step 4: Simplify right side
    362,118.30x = 195,268,979,892.56
  5. Step 5: Solve for x
    x = 195,268,979,892.56/362,118.30
  6. Step 6: Final answer
    x = 539,240.85

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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.