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Finding the Fourth Proportional to 633,044.46, 949,568.40 and 159,729.78

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Solution

The fourth proportional to 633,044.46, 949,568.40 and 159,729.78 is: 239,595.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,044.46 : 949,568.40 = 159,729.78 : x
  2. Step 2: Convert to fraction form
    633,044.46/949,568.40 = 159,729.78/x
  3. Step 3: Cross multiply
    633,044.46x = 949,568.40 × 159,729.78
  4. Step 4: Simplify right side
    633,044.46x = 151,674,351,626.95
  5. Step 5: Solve for x
    x = 151,674,351,626.95/633,044.46
  6. Step 6: Final answer
    x = 239,595.10

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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.