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Finding the Fourth Proportional to 377,947.04, 521,529 and 232,729.52

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Solution

The fourth proportional to 377,947.04, 521,529 and 232,729.52 is: 321,143.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,947.04 : 521,529 = 232,729.52 : x
  2. Step 2: Convert to fraction form
    377,947.04/521,529 = 232,729.52/x
  3. Step 3: Cross multiply
    377,947.04x = 521,529 × 232,729.52
  4. Step 4: Simplify right side
    377,947.04x = 121,375,193,836.08
  5. Step 5: Solve for x
    x = 121,375,193,836.08/377,947.04
  6. Step 6: Final answer
    x = 321,143.39

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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.