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Finding the Fourth Proportional to 503,422, 694,722.54 and 277,062.64

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Solution

The fourth proportional to 503,422, 694,722.54 and 277,062.64 is: 382,346.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,422 : 694,722.54 = 277,062.64 : x
  2. Step 2: Convert to fraction form
    503,422/694,722.54 = 277,062.64/x
  3. Step 3: Cross multiply
    503,422x = 694,722.54 × 277,062.64
  4. Step 4: Simplify right side
    503,422x = 192,481,660,999.91
  5. Step 5: Solve for x
    x = 192,481,660,999.91/503,422
  6. Step 6: Final answer
    x = 382,346.54

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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.