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Finding the Fourth Proportional to 580,836.80, 871,255.20 and 344,057.60

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Solution

The fourth proportional to 580,836.80, 871,255.20 and 344,057.60 is: 516,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,836.80 : 871,255.20 = 344,057.60 : x
  2. Step 2: Convert to fraction form
    580,836.80/871,255.20 = 344,057.60/x
  3. Step 3: Cross multiply
    580,836.80x = 871,255.20 × 344,057.60
  4. Step 4: Simplify right side
    580,836.80x = 299,761,973,099.52
  5. Step 5: Solve for x
    x = 299,761,973,099.52/580,836.80
  6. Step 6: Final answer
    x = 516,086.40

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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.