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Finding the Fourth Proportional to 494,449.70, 741,674.55 and 489,200.90

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Solution

The fourth proportional to 494,449.70, 741,674.55 and 489,200.90 is: 733,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,449.70 : 741,674.55 = 489,200.90 : x
  2. Step 2: Convert to fraction form
    494,449.70/741,674.55 = 489,200.90/x
  3. Step 3: Cross multiply
    494,449.70x = 741,674.55 × 489,200.90
  4. Step 4: Simplify right side
    494,449.70x = 362,827,857,367.10
  5. Step 5: Solve for x
    x = 362,827,857,367.10/494,449.70
  6. Step 6: Final answer
    x = 733,801.35

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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.