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Finding the Fourth Proportional to 532,893.20, 799,339.80 and 322,422.80

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Solution

The fourth proportional to 532,893.20, 799,339.80 and 322,422.80 is: 483,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,893.20 : 799,339.80 = 322,422.80 : x
  2. Step 2: Convert to fraction form
    532,893.20/799,339.80 = 322,422.80/x
  3. Step 3: Cross multiply
    532,893.20x = 799,339.80 × 322,422.80
  4. Step 4: Simplify right side
    532,893.20x = 257,725,376,467.44
  5. Step 5: Solve for x
    x = 257,725,376,467.44/532,893.20
  6. Step 6: Final answer
    x = 483,634.20

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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.