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Finding the Fourth Proportional to 262,469.70, 362,208.09 and 143,237.70

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Solution

The fourth proportional to 262,469.70, 362,208.09 and 143,237.70 is: 197,667.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,469.70 : 362,208.09 = 143,237.70 : x
  2. Step 2: Convert to fraction form
    262,469.70/362,208.09 = 143,237.70/x
  3. Step 3: Cross multiply
    262,469.70x = 362,208.09 × 143,237.70
  4. Step 4: Simplify right side
    262,469.70x = 51,881,853,732.99
  5. Step 5: Solve for x
    x = 51,881,853,732.99/262,469.70
  6. Step 6: Final answer
    x = 197,667.97

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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.