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Finding the Fourth Proportional to 652,691.88, 979,037.76 and 203,448.96

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Solution

The fourth proportional to 652,691.88, 979,037.76 and 203,448.96 is: 305,173.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,691.88 : 979,037.76 = 203,448.96 : x
  2. Step 2: Convert to fraction form
    652,691.88/979,037.76 = 203,448.96/x
  3. Step 3: Cross multiply
    652,691.88x = 979,037.76 × 203,448.96
  4. Step 4: Simplify right side
    652,691.88x = 199,184,214,072.73
  5. Step 5: Solve for x
    x = 199,184,214,072.73/652,691.88
  6. Step 6: Final answer
    x = 305,173.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.