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Finding the Fourth Proportional to 503,353.53, 694,627.47 and 276,999.03

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Solution

The fourth proportional to 503,353.53, 694,627.47 and 276,999.03 is: 382,258.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,353.53 : 694,627.47 = 276,999.03 : x
  2. Step 2: Convert to fraction form
    503,353.53/694,627.47 = 276,999.03/x
  3. Step 3: Cross multiply
    503,353.53x = 694,627.47 × 276,999.03
  4. Step 4: Simplify right side
    503,353.53x = 192,411,135,401.35
  5. Step 5: Solve for x
    x = 192,411,135,401.35/503,353.53
  6. Step 6: Final answer
    x = 382,258.44

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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.