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Finding the Fourth Proportional to 558,959.52, 771,232.96 and 317,187.52

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Solution

The fourth proportional to 558,959.52, 771,232.96 and 317,187.52 is: 437,644.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,959.52 : 771,232.96 = 317,187.52 : x
  2. Step 2: Convert to fraction form
    558,959.52/771,232.96 = 317,187.52/x
  3. Step 3: Cross multiply
    558,959.52x = 771,232.96 × 317,187.52
  4. Step 4: Simplify right side
    558,959.52x = 244,625,469,924.66
  5. Step 5: Solve for x
    x = 244,625,469,924.66/558,959.52
  6. Step 6: Final answer
    x = 437,644.34

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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.