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Finding the Fourth Proportional to 462,366.91, 693,550.36 and 129,942.91

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Solution

The fourth proportional to 462,366.91, 693,550.36 and 129,942.91 is: 194,914.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,366.91 : 693,550.36 = 129,942.91 : x
  2. Step 2: Convert to fraction form
    462,366.91/693,550.36 = 129,942.91/x
  3. Step 3: Cross multiply
    462,366.91x = 693,550.36 × 129,942.91
  4. Step 4: Simplify right side
    462,366.91x = 90,121,952,009.95
  5. Step 5: Solve for x
    x = 90,121,952,009.95/462,366.91
  6. Step 6: Final answer
    x = 194,914.36

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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.