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Finding the Fourth Proportional to 235,384.80, 324,799.20 and 150,441.60

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Solution

The fourth proportional to 235,384.80, 324,799.20 and 150,441.60 is: 207,589.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,384.80 : 324,799.20 = 150,441.60 : x
  2. Step 2: Convert to fraction form
    235,384.80/324,799.20 = 150,441.60/x
  3. Step 3: Cross multiply
    235,384.80x = 324,799.20 × 150,441.60
  4. Step 4: Simplify right side
    235,384.80x = 48,863,311,326.72
  5. Step 5: Solve for x
    x = 48,863,311,326.72/235,384.80
  6. Step 6: Final answer
    x = 207,589.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.