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Finding the Fourth Proportional to 267,190.77, 401,056.21 and 236,993.89

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Solution

The fourth proportional to 267,190.77, 401,056.21 and 236,993.89 is: 355,730.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,190.77 : 401,056.21 = 236,993.89 : x
  2. Step 2: Convert to fraction form
    267,190.77/401,056.21 = 236,993.89/x
  3. Step 3: Cross multiply
    267,190.77x = 401,056.21 × 236,993.89
  4. Step 4: Simplify right side
    267,190.77x = 95,047,870,610.16
  5. Step 5: Solve for x
    x = 95,047,870,610.16/267,190.77
  6. Step 6: Final answer
    x = 355,730.37

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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.