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Finding the Fourth Proportional to 588,454.80, 809,519.22 and 515,529.24

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Solution

The fourth proportional to 588,454.80, 809,519.22 and 515,529.24 is: 709,197.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,454.80 : 809,519.22 = 515,529.24 : x
  2. Step 2: Convert to fraction form
    588,454.80/809,519.22 = 515,529.24/x
  3. Step 3: Cross multiply
    588,454.80x = 809,519.22 × 515,529.24
  4. Step 4: Simplify right side
    588,454.80x = 417,330,828,251.99
  5. Step 5: Solve for x
    x = 417,330,828,251.99/588,454.80
  6. Step 6: Final answer
    x = 709,197.76

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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.