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Finding the Fourth Proportional to 462,372.75, 693,559.13 and 129,948.75

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Solution

The fourth proportional to 462,372.75, 693,559.13 and 129,948.75 is: 194,923.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,372.75 : 693,559.13 = 129,948.75 : x
  2. Step 2: Convert to fraction form
    462,372.75/693,559.13 = 129,948.75/x
  3. Step 3: Cross multiply
    462,372.75x = 693,559.13 × 129,948.75
  4. Step 4: Simplify right side
    462,372.75x = 90,127,141,344.84
  5. Step 5: Solve for x
    x = 90,127,141,344.84/462,372.75
  6. Step 6: Final answer
    x = 194,923.13

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Similar ratio
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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.