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Finding the Fourth Proportional to 494,329.80, 741,494.70 and 228,609.30

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Solution

The fourth proportional to 494,329.80, 741,494.70 and 228,609.30 is: 342,913.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,329.80 : 741,494.70 = 228,609.30 : x
  2. Step 2: Convert to fraction form
    494,329.80/741,494.70 = 228,609.30/x
  3. Step 3: Cross multiply
    494,329.80x = 741,494.70 × 228,609.30
  4. Step 4: Simplify right side
    494,329.80x = 169,512,584,320.71
  5. Step 5: Solve for x
    x = 169,512,584,320.71/494,329.80
  6. Step 6: Final answer
    x = 342,913.95

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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.