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Finding the Fourth Proportional to 644,359.46, 888,857.70 and 598,744.04

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Solution

The fourth proportional to 644,359.46, 888,857.70 and 598,744.04 is: 825,933.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,359.46 : 888,857.70 = 598,744.04 : x
  2. Step 2: Convert to fraction form
    644,359.46/888,857.70 = 598,744.04/x
  3. Step 3: Cross multiply
    644,359.46x = 888,857.70 × 598,744.04
  4. Step 4: Simplify right side
    644,359.46x = 532,198,250,283.11
  5. Step 5: Solve for x
    x = 532,198,250,283.11/644,359.46
  6. Step 6: Final answer
    x = 825,933.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.