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Finding the Fourth Proportional to 652,610.33, 979,876.44 and 364,985.49

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Solution

The fourth proportional to 652,610.33, 979,876.44 and 364,985.49 is: 548,015.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,610.33 : 979,876.44 = 364,985.49 : x
  2. Step 2: Convert to fraction form
    652,610.33/979,876.44 = 364,985.49/x
  3. Step 3: Cross multiply
    652,610.33x = 979,876.44 × 364,985.49
  4. Step 4: Simplify right side
    652,610.33x = 357,640,682,592.86
  5. Step 5: Solve for x
    x = 357,640,682,592.86/652,610.33
  6. Step 6: Final answer
    x = 548,015.66

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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.