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Finding the Fourth Proportional to 441,586.32, 662,364.24 and 126,043.20

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Solution

The fourth proportional to 441,586.32, 662,364.24 and 126,043.20 is: 189,060.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,586.32 : 662,364.24 = 126,043.20 : x
  2. Step 2: Convert to fraction form
    441,586.32/662,364.24 = 126,043.20/x
  3. Step 3: Cross multiply
    441,586.32x = 662,364.24 × 126,043.20
  4. Step 4: Simplify right side
    441,586.32x = 83,486,508,375.17
  5. Step 5: Solve for x
    x = 83,486,508,375.17/441,586.32
  6. Step 6: Final answer
    x = 189,060.45

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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.