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Finding the Fourth Proportional to 332,685.72, 498,134.34 and 253,422.36

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Solution

The fourth proportional to 332,685.72, 498,134.34 and 253,422.36 is: 379,452.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,685.72 : 498,134.34 = 253,422.36 : x
  2. Step 2: Convert to fraction form
    332,685.72/498,134.34 = 253,422.36/x
  3. Step 3: Cross multiply
    332,685.72x = 498,134.34 × 253,422.36
  4. Step 4: Simplify right side
    332,685.72x = 126,238,380,039.84
  5. Step 5: Solve for x
    x = 126,238,380,039.84/332,685.72
  6. Step 6: Final answer
    x = 379,452.36

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1.5x scale

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.