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Finding the Fourth Proportional to 587,148.60, 880,722.90 and 231,979.80

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Solution

The fourth proportional to 587,148.60, 880,722.90 and 231,979.80 is: 347,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,148.60 : 880,722.90 = 231,979.80 : x
  2. Step 2: Convert to fraction form
    587,148.60/880,722.90 = 231,979.80/x
  3. Step 3: Cross multiply
    587,148.60x = 880,722.90 × 231,979.80
  4. Step 4: Simplify right side
    587,148.60x = 204,309,922,197.42
  5. Step 5: Solve for x
    x = 204,309,922,197.42/587,148.60
  6. Step 6: Final answer
    x = 347,969.70

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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.