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Finding the Fourth Proportional to 587,144.52, 880,716.80 and 143,912.52

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Solution

The fourth proportional to 587,144.52, 880,716.80 and 143,912.52 is: 215,868.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,144.52 : 880,716.80 = 143,912.52 : x
  2. Step 2: Convert to fraction form
    587,144.52/880,716.80 = 143,912.52/x
  3. Step 3: Cross multiply
    587,144.52x = 880,716.80 × 143,912.52
  4. Step 4: Simplify right side
    587,144.52x = 126,746,174,094.34
  5. Step 5: Solve for x
    x = 126,746,174,094.34/587,144.52
  6. Step 6: Final answer
    x = 215,868.78

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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.