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Finding the Fourth Proportional to 315,600.88, 435,529.71 and 179,634.84

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Solution

The fourth proportional to 315,600.88, 435,529.71 and 179,634.84 is: 247,896.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,600.88 : 435,529.71 = 179,634.84 : x
  2. Step 2: Convert to fraction form
    315,600.88/435,529.71 = 179,634.84/x
  3. Step 3: Cross multiply
    315,600.88x = 435,529.71 × 179,634.84
  4. Step 4: Simplify right side
    315,600.88x = 78,236,308,553.12
  5. Step 5: Solve for x
    x = 78,236,308,553.12/315,600.88
  6. Step 6: Final answer
    x = 247,896.36

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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.