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Finding the Fourth Proportional to 633,043.46, 949,566.90 and 159,728.78

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Solution

The fourth proportional to 633,043.46, 949,566.90 and 159,728.78 is: 239,593.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,043.46 : 949,566.90 = 159,728.78 : x
  2. Step 2: Convert to fraction form
    633,043.46/949,566.90 = 159,728.78/x
  3. Step 3: Cross multiply
    633,043.46x = 949,566.90 × 159,728.78
  4. Step 4: Simplify right side
    633,043.46x = 151,673,162,465.38
  5. Step 5: Solve for x
    x = 151,673,162,465.38/633,043.46
  6. Step 6: Final answer
    x = 239,593.60

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Similar ratio
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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.