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Finding the Fourth Proportional to 349,073.43, 523,615.41 and 132,944.12

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Solution

The fourth proportional to 349,073.43, 523,615.41 and 132,944.12 is: 199,418.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,073.43 : 523,615.41 = 132,944.12 : x
  2. Step 2: Convert to fraction form
    349,073.43/523,615.41 = 132,944.12/x
  3. Step 3: Cross multiply
    349,073.43x = 523,615.41 × 132,944.12
  4. Step 4: Simplify right side
    349,073.43x = 69,611,592,191.71
  5. Step 5: Solve for x
    x = 69,611,592,191.71/349,073.43
  6. Step 6: Final answer
    x = 199,418.19

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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.