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Finding the Fourth Proportional to 503,612.16, 694,958.40 and 277,213.44

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Solution

The fourth proportional to 503,612.16, 694,958.40 and 277,213.44 is: 382,540.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,612.16 : 694,958.40 = 277,213.44 : x
  2. Step 2: Convert to fraction form
    503,612.16/694,958.40 = 277,213.44/x
  3. Step 3: Cross multiply
    503,612.16x = 694,958.40 × 277,213.44
  4. Step 4: Simplify right side
    503,612.16x = 192,651,808,720.90
  5. Step 5: Solve for x
    x = 192,651,808,720.90/503,612.16
  6. Step 6: Final answer
    x = 382,540.03

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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.