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Finding the Fourth Proportional to 266,911.73, 368,363.24 and 159,479.46

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Solution

The fourth proportional to 266,911.73, 368,363.24 and 159,479.46 is: 220,096.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,911.73 : 368,363.24 = 159,479.46 : x
  2. Step 2: Convert to fraction form
    266,911.73/368,363.24 = 159,479.46/x
  3. Step 3: Cross multiply
    266,911.73x = 368,363.24 × 159,479.46
  4. Step 4: Simplify right side
    266,911.73x = 58,746,370,260.75
  5. Step 5: Solve for x
    x = 58,746,370,260.75/266,911.73
  6. Step 6: Final answer
    x = 220,096.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.