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Finding the Fourth Proportional to 262,689.92, 394,618.08 and 162,923.84

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Solution

The fourth proportional to 262,689.92, 394,618.08 and 162,923.84 is: 244,747.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,689.92 : 394,618.08 = 162,923.84 : x
  2. Step 2: Convert to fraction form
    262,689.92/394,618.08 = 162,923.84/x
  3. Step 3: Cross multiply
    262,689.92x = 394,618.08 × 162,923.84
  4. Step 4: Simplify right side
    262,689.92x = 64,292,692,927.03
  5. Step 5: Solve for x
    x = 64,292,692,927.03/262,689.92
  6. Step 6: Final answer
    x = 244,747.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.