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Finding the Fourth Proportional to 244,343.80, 366,515.70 and 86,588.20

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Solution

The fourth proportional to 244,343.80, 366,515.70 and 86,588.20 is: 129,882.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,343.80 : 366,515.70 = 86,588.20 : x
  2. Step 2: Convert to fraction form
    244,343.80/366,515.70 = 86,588.20/x
  3. Step 3: Cross multiply
    244,343.80x = 366,515.70 × 86,588.20
  4. Step 4: Simplify right side
    244,343.80x = 31,735,934,734.74
  5. Step 5: Solve for x
    x = 31,735,934,734.74/244,343.80
  6. Step 6: Final answer
    x = 129,882.30

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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.