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Finding the Fourth Proportional to 503,512.25, 694,865.24 and 274,058.45

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Solution

The fourth proportional to 503,512.25, 694,865.24 and 274,058.45 is: 378,210.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,512.25 : 694,865.24 = 274,058.45 : x
  2. Step 2: Convert to fraction form
    503,512.25/694,865.24 = 274,058.45/x
  3. Step 3: Cross multiply
    503,512.25x = 694,865.24 × 274,058.45
  4. Step 4: Simplify right side
    503,512.25x = 190,433,685,788.66
  5. Step 5: Solve for x
    x = 190,433,685,788.66/503,512.25
  6. Step 6: Final answer
    x = 378,210.63

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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.