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Finding the Fourth Proportional to 541,903.70, 812,855.55 and 329,327.30

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Solution

The fourth proportional to 541,903.70, 812,855.55 and 329,327.30 is: 493,990.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,903.70 : 812,855.55 = 329,327.30 : x
  2. Step 2: Convert to fraction form
    541,903.70/812,855.55 = 329,327.30/x
  3. Step 3: Cross multiply
    541,903.70x = 812,855.55 × 329,327.30
  4. Step 4: Simplify right side
    541,903.70x = 267,695,523,571.52
  5. Step 5: Solve for x
    x = 267,695,523,571.52/541,903.70
  6. Step 6: Final answer
    x = 493,990.95

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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.