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Finding the Fourth Proportional to 342,241.35, 472,290.09 and 189,276.27

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Solution

The fourth proportional to 342,241.35, 472,290.09 and 189,276.27 is: 261,199.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,241.35 : 472,290.09 = 189,276.27 : x
  2. Step 2: Convert to fraction form
    342,241.35/472,290.09 = 189,276.27/x
  3. Step 3: Cross multiply
    342,241.35x = 472,290.09 × 189,276.27
  4. Step 4: Simplify right side
    342,241.35x = 89,393,306,505.29
  5. Step 5: Solve for x
    x = 89,393,306,505.29/342,241.35
  6. Step 6: Final answer
    x = 261,199.61

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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.