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Finding the Fourth Proportional to 366,908.80, 550,363.20 and 240,609.55

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Solution

The fourth proportional to 366,908.80, 550,363.20 and 240,609.55 is: 360,914.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,908.80 : 550,363.20 = 240,609.55 : x
  2. Step 2: Convert to fraction form
    366,908.80/550,363.20 = 240,609.55/x
  3. Step 3: Cross multiply
    366,908.80x = 550,363.20 × 240,609.55
  4. Step 4: Simplify right side
    366,908.80x = 132,422,641,888.56
  5. Step 5: Solve for x
    x = 132,422,641,888.56/366,908.80
  6. Step 6: Final answer
    x = 360,914.33

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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.