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Finding the Fourth Proportional to 493,525.66, 681,067.62 and 267,171.16

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Solution

The fourth proportional to 493,525.66, 681,067.62 and 267,171.16 is: 368,697.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,525.66 : 681,067.62 = 267,171.16 : x
  2. Step 2: Convert to fraction form
    493,525.66/681,067.62 = 267,171.16/x
  3. Step 3: Cross multiply
    493,525.66x = 681,067.62 × 267,171.16
  4. Step 4: Simplify right side
    493,525.66x = 181,961,626,073.84
  5. Step 5: Solve for x
    x = 181,961,626,073.84/493,525.66
  6. Step 6: Final answer
    x = 368,697.40

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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.