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Finding the Fourth Proportional to 240,604.60, 360,906.90 and 146,126.20

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Solution

The fourth proportional to 240,604.60, 360,906.90 and 146,126.20 is: 219,189.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,604.60 : 360,906.90 = 146,126.20 : x
  2. Step 2: Convert to fraction form
    240,604.60/360,906.90 = 146,126.20/x
  3. Step 3: Cross multiply
    240,604.60x = 360,906.90 × 146,126.20
  4. Step 4: Simplify right side
    240,604.60x = 52,737,953,850.78
  5. Step 5: Solve for x
    x = 52,737,953,850.78/240,604.60
  6. Step 6: Final answer
    x = 219,189.30

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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.