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Finding the Fourth Proportional to 536,662.14, 804,987.46 and 137,299.74

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Solution

The fourth proportional to 536,662.14, 804,987.46 and 137,299.74 is: 205,948.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,662.14 : 804,987.46 = 137,299.74 : x
  2. Step 2: Convert to fraction form
    536,662.14/804,987.46 = 137,299.74/x
  3. Step 3: Cross multiply
    536,662.14x = 804,987.46 × 137,299.74
  4. Step 4: Simplify right side
    536,662.14x = 110,524,568,961.26
  5. Step 5: Solve for x
    x = 110,524,568,961.26/536,662.14
  6. Step 6: Final answer
    x = 205,948.14

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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.