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Finding the Fourth Proportional to 503,603.28, 694,970.28 and 277,248.60

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Solution

The fourth proportional to 503,603.28, 694,970.28 and 277,248.60 is: 382,601.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,603.28 : 694,970.28 = 277,248.60 : x
  2. Step 2: Convert to fraction form
    503,603.28/694,970.28 = 277,248.60/x
  3. Step 3: Cross multiply
    503,603.28x = 694,970.28 × 277,248.60
  4. Step 4: Simplify right side
    503,603.28x = 192,679,537,171.61
  5. Step 5: Solve for x
    x = 192,679,537,171.61/503,603.28
  6. Step 6: Final answer
    x = 382,601.83

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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.