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Finding the Fourth Proportional to 308,923.70, 462,867.15 and 150,811.70

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Solution

The fourth proportional to 308,923.70, 462,867.15 and 150,811.70 is: 225,964.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,923.70 : 462,867.15 = 150,811.70 : x
  2. Step 2: Convert to fraction form
    308,923.70/462,867.15 = 150,811.70/x
  3. Step 3: Cross multiply
    308,923.70x = 462,867.15 × 150,811.70
  4. Step 4: Simplify right side
    308,923.70x = 69,805,781,765.66
  5. Step 5: Solve for x
    x = 69,805,781,765.66/308,923.70
  6. Step 6: Final answer
    x = 225,964.48

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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.