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Finding the Fourth Proportional to 536,649.38, 804,965.85 and 137,286.77

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Solution

The fourth proportional to 536,649.38, 804,965.85 and 137,286.77 is: 205,928.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,649.38 : 804,965.85 = 137,286.77 : x
  2. Step 2: Convert to fraction form
    536,649.38/804,965.85 = 137,286.77/x
  3. Step 3: Cross multiply
    536,649.38x = 804,965.85 × 137,286.77
  4. Step 4: Simplify right side
    536,649.38x = 110,511,161,506.80
  5. Step 5: Solve for x
    x = 110,511,161,506.80/536,649.38
  6. Step 6: Final answer
    x = 205,928.05

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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.