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Finding the Fourth Proportional to 244,297.80, 366,446.70 and 86,542.20

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Solution

The fourth proportional to 244,297.80, 366,446.70 and 86,542.20 is: 129,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,297.80 : 366,446.70 = 86,542.20 : x
  2. Step 2: Convert to fraction form
    244,297.80/366,446.70 = 86,542.20/x
  3. Step 3: Cross multiply
    244,297.80x = 366,446.70 × 86,542.20
  4. Step 4: Simplify right side
    244,297.80x = 31,713,103,600.74
  5. Step 5: Solve for x
    x = 31,713,103,600.74/244,297.80
  6. Step 6: Final answer
    x = 129,813.30

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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.