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Finding the Fourth Proportional to 503,356.53, 694,631.61 and 277,002.03

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Solution

The fourth proportional to 503,356.53, 694,631.61 and 277,002.03 is: 382,262.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,356.53 : 694,631.61 = 277,002.03 : x
  2. Step 2: Convert to fraction form
    503,356.53/694,631.61 = 277,002.03/x
  3. Step 3: Cross multiply
    503,356.53x = 694,631.61 × 277,002.03
  4. Step 4: Simplify right side
    503,356.53x = 192,414,366,072.17
  5. Step 5: Solve for x
    x = 192,414,366,072.17/503,356.53
  6. Step 6: Final answer
    x = 382,262.58

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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.