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Finding the Fourth Proportional to 329,110.80, 493,520.40 and 151,672.20

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Solution

The fourth proportional to 329,110.80, 493,520.40 and 151,672.20 is: 227,441.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,110.80 : 493,520.40 = 151,672.20 : x
  2. Step 2: Convert to fraction form
    329,110.80/493,520.40 = 151,672.20/x
  3. Step 3: Cross multiply
    329,110.80x = 493,520.40 × 151,672.20
  4. Step 4: Simplify right side
    329,110.80x = 74,853,324,812.88
  5. Step 5: Solve for x
    x = 74,853,324,812.88/329,110.80
  6. Step 6: Final answer
    x = 227,441.11

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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.