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Finding the Fourth Proportional to 240,635.70, 360,945.90 and 114,366.78

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Solution

The fourth proportional to 240,635.70, 360,945.90 and 114,366.78 is: 171,546.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,635.70 : 360,945.90 = 114,366.78 : x
  2. Step 2: Convert to fraction form
    240,635.70/360,945.90 = 114,366.78/x
  3. Step 3: Cross multiply
    240,635.70x = 360,945.90 × 114,366.78
  4. Step 4: Simplify right side
    240,635.70x = 41,280,220,337.20
  5. Step 5: Solve for x
    x = 41,280,220,337.20/240,635.70
  6. Step 6: Final answer
    x = 171,546.53

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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.