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Finding the Fourth Proportional to 462,363.66, 693,545.48 and 129,939.66

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Solution

The fourth proportional to 462,363.66, 693,545.48 and 129,939.66 is: 194,909.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,363.66 : 693,545.48 = 129,939.66 : x
  2. Step 2: Convert to fraction form
    462,363.66/693,545.48 = 129,939.66/x
  3. Step 3: Cross multiply
    462,363.66x = 693,545.48 × 129,939.66
  4. Step 4: Simplify right side
    462,363.66x = 90,119,064,190.59
  5. Step 5: Solve for x
    x = 90,119,064,190.59/462,363.66
  6. Step 6: Final answer
    x = 194,909.49

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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.