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Finding the Fourth Proportional to 254,832.20, 382,294.20 and 104,990.56

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Solution

The fourth proportional to 254,832.20, 382,294.20 and 104,990.56 is: 157,504.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,832.20 : 382,294.20 = 104,990.56 : x
  2. Step 2: Convert to fraction form
    254,832.20/382,294.20 = 104,990.56/x
  3. Step 3: Cross multiply
    254,832.20x = 382,294.20 × 104,990.56
  4. Step 4: Simplify right side
    254,832.20x = 40,137,282,142.75
  5. Step 5: Solve for x
    x = 40,137,282,142.75/254,832.20
  6. Step 6: Final answer
    x = 157,504.75

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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.