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Finding the Fourth Proportional to 250,380.68, 375,632.58 and 72,889.24

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Solution

The fourth proportional to 250,380.68, 375,632.58 and 72,889.24 is: 109,351.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,380.68 : 375,632.58 = 72,889.24 : x
  2. Step 2: Convert to fraction form
    250,380.68/375,632.58 = 72,889.24/x
  3. Step 3: Cross multiply
    250,380.68x = 375,632.58 × 72,889.24
  4. Step 4: Simplify right side
    250,380.68x = 27,379,573,275.44
  5. Step 5: Solve for x
    x = 27,379,573,275.44/250,380.68
  6. Step 6: Final answer
    x = 109,351.78

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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.