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Finding the Fourth Proportional to 296,720.56, 409,474.47 and 160,755.44

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Solution

The fourth proportional to 296,720.56, 409,474.47 and 160,755.44 is: 221,842.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,720.56 : 409,474.47 = 160,755.44 : x
  2. Step 2: Convert to fraction form
    296,720.56/409,474.47 = 160,755.44/x
  3. Step 3: Cross multiply
    296,720.56x = 409,474.47 × 160,755.44
  4. Step 4: Simplify right side
    296,720.56x = 65,825,248,593.62
  5. Step 5: Solve for x
    x = 65,825,248,593.62/296,720.56
  6. Step 6: Final answer
    x = 221,842.56

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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.