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Finding the Fourth Proportional to 240,612.75, 360,919.13 and 74,400.75

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Solution

The fourth proportional to 240,612.75, 360,919.13 and 74,400.75 is: 111,601.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,612.75 : 360,919.13 = 74,400.75 : x
  2. Step 2: Convert to fraction form
    240,612.75/360,919.13 = 74,400.75/x
  3. Step 3: Cross multiply
    240,612.75x = 360,919.13 × 74,400.75
  4. Step 4: Simplify right side
    240,612.75x = 26,852,653,589.34
  5. Step 5: Solve for x
    x = 26,852,653,589.34/240,612.75
  6. Step 6: Final answer
    x = 111,601.13

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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.