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Finding the Fourth Proportional to 629,077.20, 943,615.80 and 587,086.80

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Solution

The fourth proportional to 629,077.20, 943,615.80 and 587,086.80 is: 880,630.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,077.20 : 943,615.80 = 587,086.80 : x
  2. Step 2: Convert to fraction form
    629,077.20/943,615.80 = 587,086.80/x
  3. Step 3: Cross multiply
    629,077.20x = 943,615.80 × 587,086.80
  4. Step 4: Simplify right side
    629,077.20x = 553,984,380,451.44
  5. Step 5: Solve for x
    x = 553,984,380,451.44/629,077.20
  6. Step 6: Final answer
    x = 880,630.20

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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.