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Finding the Fourth Proportional to 550,803.87, 825,429.96 and 437,983.29

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Solution

The fourth proportional to 550,803.87, 825,429.96 and 437,983.29 is: 656,358.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,803.87 : 825,429.96 = 437,983.29 : x
  2. Step 2: Convert to fraction form
    550,803.87/825,429.96 = 437,983.29/x
  3. Step 3: Cross multiply
    550,803.87x = 825,429.96 × 437,983.29
  4. Step 4: Simplify right side
    550,803.87x = 361,524,529,545.37
  5. Step 5: Solve for x
    x = 361,524,529,545.37/550,803.87
  6. Step 6: Final answer
    x = 656,358.01

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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.