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Finding the Fourth Proportional to 577,209.57, 796,550.28 and 322,560.75

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Solution

The fourth proportional to 577,209.57, 796,550.28 and 322,560.75 is: 445,134.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,209.57 : 796,550.28 = 322,560.75 : x
  2. Step 2: Convert to fraction form
    577,209.57/796,550.28 = 322,560.75/x
  3. Step 3: Cross multiply
    577,209.57x = 796,550.28 × 322,560.75
  4. Step 4: Simplify right side
    577,209.57x = 256,935,859,321.38
  5. Step 5: Solve for x
    x = 256,935,859,321.38/577,209.57
  6. Step 6: Final answer
    x = 445,134.44

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1.5x scale

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.