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Finding the Fourth Proportional to 368,202.78, 552,298.60 and 165,655.84

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Solution

The fourth proportional to 368,202.78, 552,298.60 and 165,655.84 is: 248,481.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,202.78 : 552,298.60 = 165,655.84 : x
  2. Step 2: Convert to fraction form
    368,202.78/552,298.60 = 165,655.84/x
  3. Step 3: Cross multiply
    368,202.78x = 552,298.60 × 165,655.84
  4. Step 4: Simplify right side
    368,202.78x = 91,491,488,513.82
  5. Step 5: Solve for x
    x = 91,491,488,513.82/368,202.78
  6. Step 6: Final answer
    x = 248,481.25

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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.