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Finding the Fourth Proportional to 587,158.80, 880,738.20 and 272,230.80

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Solution

The fourth proportional to 587,158.80, 880,738.20 and 272,230.80 is: 408,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,158.80 : 880,738.20 = 272,230.80 : x
  2. Step 2: Convert to fraction form
    587,158.80/880,738.20 = 272,230.80/x
  3. Step 3: Cross multiply
    587,158.80x = 880,738.20 × 272,230.80
  4. Step 4: Simplify right side
    587,158.80x = 239,764,064,776.56
  5. Step 5: Solve for x
    x = 239,764,064,776.56/587,158.80
  6. Step 6: Final answer
    x = 408,346.20

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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.