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Finding the Fourth Proportional to 453,794.26, 680,695.28 and 129,581.52

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Solution

The fourth proportional to 453,794.26, 680,695.28 and 129,581.52 is: 194,373.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,794.26 : 680,695.28 = 129,581.52 : x
  2. Step 2: Convert to fraction form
    453,794.26/680,695.28 = 129,581.52/x
  3. Step 3: Cross multiply
    453,794.26x = 680,695.28 × 129,581.52
  4. Step 4: Simplify right side
    453,794.26x = 88,205,525,635.75
  5. Step 5: Solve for x
    x = 88,205,525,635.75/453,794.26
  6. Step 6: Final answer
    x = 194,373.38

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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.