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Finding the Fourth Proportional to 365,620.95, 548,500.11 and 165,955.37

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Solution

The fourth proportional to 365,620.95, 548,500.11 and 165,955.37 is: 248,964.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,620.95 : 548,500.11 = 165,955.37 : x
  2. Step 2: Convert to fraction form
    365,620.95/548,500.11 = 165,955.37/x
  3. Step 3: Cross multiply
    365,620.95x = 548,500.11 × 165,955.37
  4. Step 4: Simplify right side
    365,620.95x = 91,026,538,699.43
  5. Step 5: Solve for x
    x = 91,026,538,699.43/365,620.95
  6. Step 6: Final answer
    x = 248,964.23

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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.