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Finding the Fourth Proportional to 503,056.56, 694,203.57 and 276,702.06

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Solution

The fourth proportional to 503,056.56, 694,203.57 and 276,702.06 is: 381,840.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,056.56 : 694,203.57 = 276,702.06 : x
  2. Step 2: Convert to fraction form
    503,056.56/694,203.57 = 276,702.06/x
  3. Step 3: Cross multiply
    503,056.56x = 694,203.57 × 276,702.06
  4. Step 4: Simplify right side
    503,056.56x = 192,087,557,878.35
  5. Step 5: Solve for x
    x = 192,087,557,878.35/503,056.56
  6. Step 6: Final answer
    x = 381,840.88

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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.