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Finding the Fourth Proportional to 503,550.78, 694,914.60 and 274,122.93

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Solution

The fourth proportional to 503,550.78, 694,914.60 and 274,122.93 is: 378,297.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,550.78 : 694,914.60 = 274,122.93 : x
  2. Step 2: Convert to fraction form
    503,550.78/694,914.60 = 274,122.93/x
  3. Step 3: Cross multiply
    503,550.78x = 694,914.60 × 274,122.93
  4. Step 4: Simplify right side
    503,550.78x = 190,492,026,251.78
  5. Step 5: Solve for x
    x = 190,492,026,251.78/503,550.78
  6. Step 6: Final answer
    x = 378,297.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.