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Finding the Fourth Proportional to 297,630.82, 410,734.97 and 161,667.42

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Solution

The fourth proportional to 297,630.82, 410,734.97 and 161,667.42 is: 223,103.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,630.82 : 410,734.97 = 161,667.42 : x
  2. Step 2: Convert to fraction form
    297,630.82/410,734.97 = 161,667.42/x
  3. Step 3: Cross multiply
    297,630.82x = 410,734.97 × 161,667.42
  4. Step 4: Simplify right side
    297,630.82x = 66,402,462,903.68
  5. Step 5: Solve for x
    x = 66,402,462,903.68/297,630.82
  6. Step 6: Final answer
    x = 223,103.45

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1.5x scale

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.