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Finding the Fourth Proportional to 363,644.82, 544,461.21 and 185,768.82

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Solution

The fourth proportional to 363,644.82, 544,461.21 and 185,768.82 is: 278,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,644.82 : 544,461.21 = 185,768.82 : x
  2. Step 2: Convert to fraction form
    363,644.82/544,461.21 = 185,768.82/x
  3. Step 3: Cross multiply
    363,644.82x = 544,461.21 × 185,768.82
  4. Step 4: Simplify right side
    363,644.82x = 101,143,916,517.47
  5. Step 5: Solve for x
    x = 101,143,916,517.47/363,644.82
  6. Step 6: Final answer
    x = 278,139.30

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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.