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Finding the Fourth Proportional to 444,589.78, 613,533.84 and 240,640.66

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Solution

The fourth proportional to 444,589.78, 613,533.84 and 240,640.66 is: 332,084.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,589.78 : 613,533.84 = 240,640.66 : x
  2. Step 2: Convert to fraction form
    444,589.78/613,533.84 = 240,640.66/x
  3. Step 3: Cross multiply
    444,589.78x = 613,533.84 × 240,640.66
  4. Step 4: Simplify right side
    444,589.78x = 147,641,188,189.93
  5. Step 5: Solve for x
    x = 147,641,188,189.93/444,589.78
  6. Step 6: Final answer
    x = 332,084.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.