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Finding the Fourth Proportional to 288,343.75, 397,827.42 and 167,461.73

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Solution

The fourth proportional to 288,343.75, 397,827.42 and 167,461.73 is: 231,046.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,343.75 : 397,827.42 = 167,461.73 : x
  2. Step 2: Convert to fraction form
    288,343.75/397,827.42 = 167,461.73/x
  3. Step 3: Cross multiply
    288,343.75x = 397,827.42 × 167,461.73
  4. Step 4: Simplify right side
    288,343.75x = 66,620,867,994.64
  5. Step 5: Solve for x
    x = 66,620,867,994.64/288,343.75
  6. Step 6: Final answer
    x = 231,046.69

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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.