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Finding the Fourth Proportional to 493,525.86, 681,065.92 and 267,171.36

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Solution

The fourth proportional to 493,525.86, 681,065.92 and 267,171.36 is: 368,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,525.86 : 681,065.92 = 267,171.36 : x
  2. Step 2: Convert to fraction form
    493,525.86/681,065.92 = 267,171.36/x
  3. Step 3: Cross multiply
    493,525.86x = 681,065.92 × 267,171.36
  4. Step 4: Simplify right side
    493,525.86x = 181,961,308,096.05
  5. Step 5: Solve for x
    x = 181,961,308,096.05/493,525.86
  6. Step 6: Final answer
    x = 368,696.60

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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.