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Finding the Fourth Proportional to 250,391.76, 375,604.92 and 100,632.15

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Solution

The fourth proportional to 250,391.76, 375,604.92 and 100,632.15 is: 150,955.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,391.76 : 375,604.92 = 100,632.15 : x
  2. Step 2: Convert to fraction form
    250,391.76/375,604.92 = 100,632.15/x
  3. Step 3: Cross multiply
    250,391.76x = 375,604.92 × 100,632.15
  4. Step 4: Simplify right side
    250,391.76x = 37,797,930,650.18
  5. Step 5: Solve for x
    x = 37,797,930,650.18/250,391.76
  6. Step 6: Final answer
    x = 150,955.17

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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.