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Finding the Fourth Proportional to 474,695.97, 655,081.41 and 259,849.76

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Solution

The fourth proportional to 474,695.97, 655,081.41 and 259,849.76 is: 358,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,695.97 : 655,081.41 = 259,849.76 : x
  2. Step 2: Convert to fraction form
    474,695.97/655,081.41 = 259,849.76/x
  3. Step 3: Cross multiply
    474,695.97x = 655,081.41 × 259,849.76
  4. Step 4: Simplify right side
    474,695.97x = 170,222,747,168.96
  5. Step 5: Solve for x
    x = 170,222,747,168.96/474,695.97
  6. Step 6: Final answer
    x = 358,593.20

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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.