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Finding the Fourth Proportional to 325,251.33, 487,923.48 and 100,630.95

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Solution

The fourth proportional to 325,251.33, 487,923.48 and 100,630.95 is: 150,960.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,251.33 : 487,923.48 = 100,630.95 : x
  2. Step 2: Convert to fraction form
    325,251.33/487,923.48 = 100,630.95/x
  3. Step 3: Cross multiply
    325,251.33x = 487,923.48 × 100,630.95
  4. Step 4: Simplify right side
    325,251.33x = 49,100,203,319.71
  5. Step 5: Solve for x
    x = 49,100,203,319.71/325,251.33
  6. Step 6: Final answer
    x = 150,960.81

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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.