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Finding the Fourth Proportional to 475,901.88, 656,745.48 and 261,043.68

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Solution

The fourth proportional to 475,901.88, 656,745.48 and 261,043.68 is: 360,240.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,901.88 : 656,745.48 = 261,043.68 : x
  2. Step 2: Convert to fraction form
    475,901.88/656,745.48 = 261,043.68/x
  3. Step 3: Cross multiply
    475,901.88x = 656,745.48 × 261,043.68
  4. Step 4: Simplify right side
    475,901.88x = 171,439,256,922.57
  5. Step 5: Solve for x
    x = 171,439,256,922.57/475,901.88
  6. Step 6: Final answer
    x = 360,240.76

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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.