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Finding the Fourth Proportional to 598,419.45, 825,891.44 and 437,193.81

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Solution

The fourth proportional to 598,419.45, 825,891.44 and 437,193.81 is: 603,380.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,419.45 : 825,891.44 = 437,193.81 : x
  2. Step 2: Convert to fraction form
    598,419.45/825,891.44 = 437,193.81/x
  3. Step 3: Cross multiply
    598,419.45x = 825,891.44 × 437,193.81
  4. Step 4: Simplify right side
    598,419.45x = 361,074,625,299.99
  5. Step 5: Solve for x
    x = 361,074,625,299.99/598,419.45
  6. Step 6: Final answer
    x = 603,380.50

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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.