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Finding the Fourth Proportional to 264,679.20, 396,500.40 and 159,184.80

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Solution

The fourth proportional to 264,679.20, 396,500.40 and 159,184.80 is: 238,465.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,679.20 : 396,500.40 = 159,184.80 : x
  2. Step 2: Convert to fraction form
    264,679.20/396,500.40 = 159,184.80/x
  3. Step 3: Cross multiply
    264,679.20x = 396,500.40 × 159,184.80
  4. Step 4: Simplify right side
    264,679.20x = 63,116,836,873.92
  5. Step 5: Solve for x
    x = 63,116,836,873.92/264,679.20
  6. Step 6: Final answer
    x = 238,465.42

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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.