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Finding the Fourth Proportional to 365,896.56, 548,134.67 and 269,658.98

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Solution

The fourth proportional to 365,896.56, 548,134.67 and 269,658.98 is: 403,965.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,896.56 : 548,134.67 = 269,658.98 : x
  2. Step 2: Convert to fraction form
    365,896.56/548,134.67 = 269,658.98/x
  3. Step 3: Cross multiply
    365,896.56x = 548,134.67 × 269,658.98
  4. Step 4: Simplify right side
    365,896.56x = 147,809,433,948.31
  5. Step 5: Solve for x
    x = 147,809,433,948.31/365,896.56
  6. Step 6: Final answer
    x = 403,965.08

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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.