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Finding the Fourth Proportional to 503,353.41, 694,627.82 and 276,998.91

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Solution

The fourth proportional to 503,353.41, 694,627.82 and 276,998.91 is: 382,258.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,353.41 : 694,627.82 = 276,998.91 : x
  2. Step 2: Convert to fraction form
    503,353.41/694,627.82 = 276,998.91/x
  3. Step 3: Cross multiply
    503,353.41x = 694,627.82 × 276,998.91
  4. Step 4: Simplify right side
    503,353.41x = 192,411,146,044.57
  5. Step 5: Solve for x
    x = 192,411,146,044.57/503,353.41
  6. Step 6: Final answer
    x = 382,258.56

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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.