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Finding the Fourth Proportional to 296,272, 444,408 and 74,656

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Solution

The fourth proportional to 296,272, 444,408 and 74,656 is: 111,984

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,272 : 444,408 = 74,656 : x
  2. Step 2: Convert to fraction form
    296,272/444,408 = 74,656/x
  3. Step 3: Cross multiply
    296,272x = 444,408 × 74,656
  4. Step 4: Simplify right side
    296,272x = 33,177,723,648
  5. Step 5: Solve for x
    x = 33,177,723,648/296,272
  6. Step 6: Final answer
    x = 111,984

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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.