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Finding the Fourth Proportional to 367,600.90, 551,401.35 and 130,951.30

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Solution

The fourth proportional to 367,600.90, 551,401.35 and 130,951.30 is: 196,426.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,600.90 : 551,401.35 = 130,951.30 : x
  2. Step 2: Convert to fraction form
    367,600.90/551,401.35 = 130,951.30/x
  3. Step 3: Cross multiply
    367,600.90x = 551,401.35 × 130,951.30
  4. Step 4: Simplify right side
    367,600.90x = 72,206,723,604.26
  5. Step 5: Solve for x
    x = 72,206,723,604.26/367,600.90
  6. Step 6: Final answer
    x = 196,426.95

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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.