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Finding the Fourth Proportional to 494,287.80, 741,431.70 and 228,567.30

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Solution

The fourth proportional to 494,287.80, 741,431.70 and 228,567.30 is: 342,850.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,287.80 : 741,431.70 = 228,567.30 : x
  2. Step 2: Convert to fraction form
    494,287.80/741,431.70 = 228,567.30/x
  3. Step 3: Cross multiply
    494,287.80x = 741,431.70 × 228,567.30
  4. Step 4: Simplify right side
    494,287.80x = 169,467,041,803.41
  5. Step 5: Solve for x
    x = 169,467,041,803.41/494,287.80
  6. Step 6: Final answer
    x = 342,850.95

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Similar ratio
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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.