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Finding the Fourth Proportional to 288,344.75, 397,828.80 and 167,462.73

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Solution

The fourth proportional to 288,344.75, 397,828.80 and 167,462.73 is: 231,048.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,344.75 : 397,828.80 = 167,462.73 : x
  2. Step 2: Convert to fraction form
    288,344.75/397,828.80 = 167,462.73/x
  3. Step 3: Cross multiply
    288,344.75x = 397,828.80 × 167,462.73
  4. Step 4: Simplify right side
    288,344.75x = 66,621,496,920.62
  5. Step 5: Solve for x
    x = 66,621,496,920.62/288,344.75
  6. Step 6: Final answer
    x = 231,048.07

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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.