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Finding the Fourth Proportional to 262,163.39, 360,956.86 and 238,218.57

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Solution

The fourth proportional to 262,163.39, 360,956.86 and 238,218.57 is: 327,988.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,163.39 : 360,956.86 = 238,218.57 : x
  2. Step 2: Convert to fraction form
    262,163.39/360,956.86 = 238,218.57/x
  3. Step 3: Cross multiply
    262,163.39x = 360,956.86 × 238,218.57
  4. Step 4: Simplify right side
    262,163.39x = 85,986,626,425.34
  5. Step 5: Solve for x
    x = 85,986,626,425.34/262,163.39
  6. Step 6: Final answer
    x = 327,988.69

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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.