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Finding the Fourth Proportional to 342,229.92, 512,268.56 and 234,986.26

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Solution

The fourth proportional to 342,229.92, 512,268.56 and 234,986.26 is: 351,740.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,229.92 : 512,268.56 = 234,986.26 : x
  2. Step 2: Convert to fraction form
    342,229.92/512,268.56 = 234,986.26/x
  3. Step 3: Cross multiply
    342,229.92x = 512,268.56 × 234,986.26
  4. Step 4: Simplify right side
    342,229.92x = 120,376,073,029.99
  5. Step 5: Solve for x
    x = 120,376,073,029.99/342,229.92
  6. Step 6: Final answer
    x = 351,740.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.