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Finding the Fourth Proportional to 441,695.70, 662,543.55 and 220,511.70

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Solution

The fourth proportional to 441,695.70, 662,543.55 and 220,511.70 is: 330,767.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,695.70 : 662,543.55 = 220,511.70 : x
  2. Step 2: Convert to fraction form
    441,695.70/662,543.55 = 220,511.70/x
  3. Step 3: Cross multiply
    441,695.70x = 662,543.55 × 220,511.70
  4. Step 4: Simplify right side
    441,695.70x = 146,098,604,534.54
  5. Step 5: Solve for x
    x = 146,098,604,534.54/441,695.70
  6. Step 6: Final answer
    x = 330,767.55

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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.