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Finding the Fourth Proportional to 474,793.98, 655,215.84 and 259,947.69

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Solution

The fourth proportional to 474,793.98, 655,215.84 and 259,947.69 is: 358,727.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,793.98 : 655,215.84 = 259,947.69 : x
  2. Step 2: Convert to fraction form
    474,793.98/655,215.84 = 259,947.69/x
  3. Step 3: Cross multiply
    474,793.98x = 655,215.84 × 259,947.69
  4. Step 4: Simplify right side
    474,793.98x = 170,321,844,059.41
  5. Step 5: Solve for x
    x = 170,321,844,059.41/474,793.98
  6. Step 6: Final answer
    x = 358,727.89

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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.