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Finding the Fourth Proportional to 171,346.40, 256,436.40 and 150,351.20

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Solution

The fourth proportional to 171,346.40, 256,436.40 and 150,351.20 is: 225,015.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,346.40 : 256,436.40 = 150,351.20 : x
  2. Step 2: Convert to fraction form
    171,346.40/256,436.40 = 150,351.20/x
  3. Step 3: Cross multiply
    171,346.40x = 256,436.40 × 150,351.20
  4. Step 4: Simplify right side
    171,346.40x = 38,555,520,463.68
  5. Step 5: Solve for x
    x = 38,555,520,463.68/171,346.40
  6. Step 6: Final answer
    x = 225,015.06

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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.