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Finding the Fourth Proportional to 534,682.20, 802,023.30 and 324,211.80

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Solution

The fourth proportional to 534,682.20, 802,023.30 and 324,211.80 is: 486,317.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,682.20 : 802,023.30 = 324,211.80 : x
  2. Step 2: Convert to fraction form
    534,682.20/802,023.30 = 324,211.80/x
  3. Step 3: Cross multiply
    534,682.20x = 802,023.30 × 324,211.80
  4. Step 4: Simplify right side
    534,682.20x = 260,025,417,734.94
  5. Step 5: Solve for x
    x = 260,025,417,734.94/534,682.20
  6. Step 6: Final answer
    x = 486,317.70

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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.