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Finding the Fourth Proportional to 474,679.85, 655,059.15 and 259,833.62

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Solution

The fourth proportional to 474,679.85, 655,059.15 and 259,833.62 is: 358,570.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,679.85 : 655,059.15 = 259,833.62 : x
  2. Step 2: Convert to fraction form
    474,679.85/655,059.15 = 259,833.62/x
  3. Step 3: Cross multiply
    474,679.85x = 655,059.15 × 259,833.62
  4. Step 4: Simplify right side
    474,679.85x = 170,206,391,896.27
  5. Step 5: Solve for x
    x = 170,206,391,896.27/474,679.85
  6. Step 6: Final answer
    x = 358,570.93

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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.