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Finding the Fourth Proportional to 474,716.52, 655,107.84 and 259,856.64

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Solution

The fourth proportional to 474,716.52, 655,107.84 and 259,856.64 is: 358,601.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,716.52 : 655,107.84 = 259,856.64 : x
  2. Step 2: Convert to fraction form
    474,716.52/655,107.84 = 259,856.64/x
  3. Step 3: Cross multiply
    474,716.52x = 655,107.84 × 259,856.64
  4. Step 4: Simplify right side
    474,716.52x = 170,234,122,140.06
  5. Step 5: Solve for x
    x = 170,234,122,140.06/474,716.52
  6. Step 6: Final answer
    x = 358,601.64

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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.