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Finding the Fourth Proportional to 308,923.20, 462,866.40 and 150,811.20

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Solution

The fourth proportional to 308,923.20, 462,866.40 and 150,811.20 is: 225,963.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,923.20 : 462,866.40 = 150,811.20 : x
  2. Step 2: Convert to fraction form
    308,923.20/462,866.40 = 150,811.20/x
  3. Step 3: Cross multiply
    308,923.20x = 462,866.40 × 150,811.20
  4. Step 4: Simplify right side
    308,923.20x = 69,805,437,223.68
  5. Step 5: Solve for x
    x = 69,805,437,223.68/308,923.20
  6. Step 6: Final answer
    x = 225,963.73

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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.