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Finding the Fourth Proportional to 264,462.48, 396,706.44 and 86,965.56

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Solution

The fourth proportional to 264,462.48, 396,706.44 and 86,965.56 is: 130,452.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,462.48 : 396,706.44 = 86,965.56 : x
  2. Step 2: Convert to fraction form
    264,462.48/396,706.44 = 86,965.56/x
  3. Step 3: Cross multiply
    264,462.48x = 396,706.44 × 86,965.56
  4. Step 4: Simplify right side
    264,462.48x = 34,499,797,710.21
  5. Step 5: Solve for x
    x = 34,499,797,710.21/264,462.48
  6. Step 6: Final answer
    x = 130,452.52

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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.