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Finding the Fourth Proportional to 503,373.29, 694,654.89 and 277,018.79

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Solution

The fourth proportional to 503,373.29, 694,654.89 and 277,018.79 is: 382,285.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,373.29 : 694,654.89 = 277,018.79 : x
  2. Step 2: Convert to fraction form
    503,373.29/694,654.89 = 277,018.79/x
  3. Step 3: Cross multiply
    503,373.29x = 694,654.89 × 277,018.79
  4. Step 4: Simplify right side
    503,373.29x = 192,432,452,583.29
  5. Step 5: Solve for x
    x = 192,432,452,583.29/503,373.29
  6. Step 6: Final answer
    x = 382,285.79

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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.