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Finding the Fourth Proportional to 262,809.88, 394,464.02 and 162,667.14

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Solution

The fourth proportional to 262,809.88, 394,464.02 and 162,667.14 is: 244,154.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,809.88 : 394,464.02 = 162,667.14 : x
  2. Step 2: Convert to fraction form
    262,809.88/394,464.02 = 162,667.14/x
  3. Step 3: Cross multiply
    262,809.88x = 394,464.02 × 162,667.14
  4. Step 4: Simplify right side
    262,809.88x = 64,166,333,966.30
  5. Step 5: Solve for x
    x = 64,166,333,966.30/262,809.88
  6. Step 6: Final answer
    x = 244,154.95

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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.