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Finding the Fourth Proportional to 327,191.14, 490,797.65 and 90,514

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Solution

The fourth proportional to 327,191.14, 490,797.65 and 90,514 is: 135,774.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,191.14 : 490,797.65 = 90,514 : x
  2. Step 2: Convert to fraction form
    327,191.14/490,797.65 = 90,514/x
  3. Step 3: Cross multiply
    327,191.14x = 490,797.65 × 90,514
  4. Step 4: Simplify right side
    327,191.14x = 44,424,058,492.10
  5. Step 5: Solve for x
    x = 44,424,058,492.10/327,191.14
  6. Step 6: Final answer
    x = 135,774.03

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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.