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Finding the Fourth Proportional to 262,960.14, 362,910.48 and 155,564.70

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Solution

The fourth proportional to 262,960.14, 362,910.48 and 155,564.70 is: 214,694.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,960.14 : 362,910.48 = 155,564.70 : x
  2. Step 2: Convert to fraction form
    262,960.14/362,910.48 = 155,564.70/x
  3. Step 3: Cross multiply
    262,960.14x = 362,910.48 × 155,564.70
  4. Step 4: Simplify right side
    262,960.14x = 56,456,059,948.06
  5. Step 5: Solve for x
    x = 56,456,059,948.06/262,960.14
  6. Step 6: Final answer
    x = 214,694.36

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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.