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Finding the Fourth Proportional to 443,247.28, 664,870.89 and 110,823.28

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Solution

The fourth proportional to 443,247.28, 664,870.89 and 110,823.28 is: 166,234.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,247.28 : 664,870.89 = 110,823.28 : x
  2. Step 2: Convert to fraction form
    443,247.28/664,870.89 = 110,823.28/x
  3. Step 3: Cross multiply
    443,247.28x = 664,870.89 × 110,823.28
  4. Step 4: Simplify right side
    443,247.28x = 73,683,172,806.32
  5. Step 5: Solve for x
    x = 73,683,172,806.32/443,247.28
  6. Step 6: Final answer
    x = 166,234.91

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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.