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Finding the Fourth Proportional to 289,052.48, 398,859.12 and 166,562.73

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Solution

The fourth proportional to 289,052.48, 398,859.12 and 166,562.73 is: 229,837.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,052.48 : 398,859.12 = 166,562.73 : x
  2. Step 2: Convert to fraction form
    289,052.48/398,859.12 = 166,562.73/x
  3. Step 3: Cross multiply
    289,052.48x = 398,859.12 × 166,562.73
  4. Step 4: Simplify right side
    289,052.48x = 66,435,063,912.60
  5. Step 5: Solve for x
    x = 66,435,063,912.60/289,052.48
  6. Step 6: Final answer
    x = 229,837.38

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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.