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Finding the Fourth Proportional to 422,675.30, 583,293.96 and 252,909.42

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Solution

The fourth proportional to 422,675.30, 583,293.96 and 252,909.42 is: 349,016.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,675.30 : 583,293.96 = 252,909.42 : x
  2. Step 2: Convert to fraction form
    422,675.30/583,293.96 = 252,909.42/x
  3. Step 3: Cross multiply
    422,675.30x = 583,293.96 × 252,909.42
  4. Step 4: Simplify right side
    422,675.30x = 147,520,538,206.78
  5. Step 5: Solve for x
    x = 147,520,538,206.78/422,675.30
  6. Step 6: Final answer
    x = 349,016.23

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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.