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Finding the Fourth Proportional to 484,450.60, 726,891.90 and 169,133.80

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Solution

The fourth proportional to 484,450.60, 726,891.90 and 169,133.80 is: 253,776.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,450.60 : 726,891.90 = 169,133.80 : x
  2. Step 2: Convert to fraction form
    484,450.60/726,891.90 = 169,133.80/x
  3. Step 3: Cross multiply
    484,450.60x = 726,891.90 × 169,133.80
  4. Step 4: Simplify right side
    484,450.60x = 122,941,989,236.22
  5. Step 5: Solve for x
    x = 122,941,989,236.22/484,450.60
  6. Step 6: Final answer
    x = 253,776.11

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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.