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Finding the Fourth Proportional to 360,861.24, 541,342.08 and 150,450.78

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Solution

The fourth proportional to 360,861.24, 541,342.08 and 150,450.78 is: 225,697.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,861.24 : 541,342.08 = 150,450.78 : x
  2. Step 2: Convert to fraction form
    360,861.24/541,342.08 = 150,450.78/x
  3. Step 3: Cross multiply
    360,861.24x = 541,342.08 × 150,450.78
  4. Step 4: Simplify right side
    360,861.24x = 81,445,338,182.82
  5. Step 5: Solve for x
    x = 81,445,338,182.82/360,861.24
  6. Step 6: Final answer
    x = 225,697.11

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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.