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Finding the Fourth Proportional to 474,793.48, 655,215.15 and 259,947.19

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Solution

The fourth proportional to 474,793.48, 655,215.15 and 259,947.19 is: 358,727.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,793.48 : 655,215.15 = 259,947.19 : x
  2. Step 2: Convert to fraction form
    474,793.48/655,215.15 = 259,947.19/x
  3. Step 3: Cross multiply
    474,793.48x = 655,215.15 × 259,947.19
  4. Step 4: Simplify right side
    474,793.48x = 170,321,337,087.93
  5. Step 5: Solve for x
    x = 170,321,337,087.93/474,793.48
  6. Step 6: Final answer
    x = 358,727.20

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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.