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Finding the Fourth Proportional to 422,667.08, 583,287.62 and 229,080.97

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Solution

The fourth proportional to 422,667.08, 583,287.62 and 229,080.97 is: 316,135.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,667.08 : 583,287.62 = 229,080.97 : x
  2. Step 2: Convert to fraction form
    422,667.08/583,287.62 = 229,080.97/x
  3. Step 3: Cross multiply
    422,667.08x = 583,287.62 × 229,080.97
  4. Step 4: Simplify right side
    422,667.08x = 133,620,092,633.19
  5. Step 5: Solve for x
    x = 133,620,092,633.19/422,667.08
  6. Step 6: Final answer
    x = 316,135.56

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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.