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Finding the Fourth Proportional to 288,250.65, 397,822.59 and 167,367.87

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Solution

The fourth proportional to 288,250.65, 397,822.59 and 167,367.87 is: 230,988.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,250.65 : 397,822.59 = 167,367.87 : x
  2. Step 2: Convert to fraction form
    288,250.65/397,822.59 = 167,367.87/x
  3. Step 3: Cross multiply
    288,250.65x = 397,822.59 × 167,367.87
  4. Step 4: Simplify right side
    288,250.65x = 66,582,719,526.18
  5. Step 5: Solve for x
    x = 66,582,719,526.18/288,250.65
  6. Step 6: Final answer
    x = 230,988.97

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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.