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Finding the Fourth Proportional to 244,638.90, 366,958.35 and 169,989.30

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Solution

The fourth proportional to 244,638.90, 366,958.35 and 169,989.30 is: 254,983.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,638.90 : 366,958.35 = 169,989.30 : x
  2. Step 2: Convert to fraction form
    244,638.90/366,958.35 = 169,989.30/x
  3. Step 3: Cross multiply
    244,638.90x = 366,958.35 × 169,989.30
  4. Step 4: Simplify right side
    244,638.90x = 62,378,993,045.66
  5. Step 5: Solve for x
    x = 62,378,993,045.66/244,638.90
  6. Step 6: Final answer
    x = 254,983.95

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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.