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Finding the Fourth Proportional to 267,907.52, 401,635.28 and 220,524.95

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Solution

The fourth proportional to 267,907.52, 401,635.28 and 220,524.95 is: 330,601.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,907.52 : 401,635.28 = 220,524.95 : x
  2. Step 2: Convert to fraction form
    267,907.52/401,635.28 = 220,524.95/x
  3. Step 3: Cross multiply
    267,907.52x = 401,635.28 × 220,524.95
  4. Step 4: Simplify right side
    267,907.52x = 88,570,596,929.43
  5. Step 5: Solve for x
    x = 88,570,596,929.43/267,907.52
  6. Step 6: Final answer
    x = 330,601.39

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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.