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Finding the Fourth Proportional to 342,202.48, 472,242.40 and 189,250.96

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Solution

The fourth proportional to 342,202.48, 472,242.40 and 189,250.96 is: 261,167.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,202.48 : 472,242.40 = 189,250.96 : x
  2. Step 2: Convert to fraction form
    342,202.48/472,242.40 = 189,250.96/x
  3. Step 3: Cross multiply
    342,202.48x = 472,242.40 × 189,250.96
  4. Step 4: Simplify right side
    342,202.48x = 89,372,327,552.70
  5. Step 5: Solve for x
    x = 89,372,327,552.70/342,202.48
  6. Step 6: Final answer
    x = 261,167.97

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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.