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Finding the Fourth Proportional to 532,819.20, 799,228.80 and 322,348.80

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Solution

The fourth proportional to 532,819.20, 799,228.80 and 322,348.80 is: 483,523.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,819.20 : 799,228.80 = 322,348.80 : x
  2. Step 2: Convert to fraction form
    532,819.20/799,228.80 = 322,348.80/x
  3. Step 3: Cross multiply
    532,819.20x = 799,228.80 × 322,348.80
  4. Step 4: Simplify right side
    532,819.20x = 257,630,444,605.44
  5. Step 5: Solve for x
    x = 257,630,444,605.44/532,819.20
  6. Step 6: Final answer
    x = 483,523.20

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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.