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Finding the Fourth Proportional to 493,590.81, 681,157.44 and 267,236.31

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Solution

The fourth proportional to 493,590.81, 681,157.44 and 267,236.31 is: 368,787.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,590.81 : 681,157.44 = 267,236.31 : x
  2. Step 2: Convert to fraction form
    493,590.81/681,157.44 = 267,236.31/x
  3. Step 3: Cross multiply
    493,590.81x = 681,157.44 × 267,236.31
  4. Step 4: Simplify right side
    493,590.81x = 182,030,000,794.65
  5. Step 5: Solve for x
    x = 182,030,000,794.65/493,590.81
  6. Step 6: Final answer
    x = 368,787.26

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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.