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Finding the Fourth Proportional to 493,965.16, 681,672.62 and 267,610.66

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Solution

The fourth proportional to 493,965.16, 681,672.62 and 267,610.66 is: 369,303.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,965.16 : 681,672.62 = 267,610.66 : x
  2. Step 2: Convert to fraction form
    493,965.16/681,672.62 = 267,610.66/x
  3. Step 3: Cross multiply
    493,965.16x = 681,672.62 × 267,610.66
  4. Step 4: Simplify right side
    493,965.16x = 182,422,856,699.89
  5. Step 5: Solve for x
    x = 182,422,856,699.89/493,965.16
  6. Step 6: Final answer
    x = 369,303.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.