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Finding the Fourth Proportional to 274,046.58, 411,070.05 and 74,367

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Solution

The fourth proportional to 274,046.58, 411,070.05 and 74,367 is: 111,550.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,046.58 : 411,070.05 = 74,367 : x
  2. Step 2: Convert to fraction form
    274,046.58/411,070.05 = 74,367/x
  3. Step 3: Cross multiply
    274,046.58x = 411,070.05 × 74,367
  4. Step 4: Simplify right side
    274,046.58x = 30,570,046,408.35
  5. Step 5: Solve for x
    x = 30,570,046,408.35/274,046.58
  6. Step 6: Final answer
    x = 111,550.55

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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.