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Finding the Fourth Proportional to 503,954.10, 695,456.69 and 277,599.60

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Solution

The fourth proportional to 503,954.10, 695,456.69 and 277,599.60 is: 383,087.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,954.10 : 695,456.69 = 277,599.60 : x
  2. Step 2: Convert to fraction form
    503,954.10/695,456.69 = 277,599.60/x
  3. Step 3: Cross multiply
    503,954.10x = 695,456.69 × 277,599.60
  4. Step 4: Simplify right side
    503,954.10x = 193,058,497,573.33
  5. Step 5: Solve for x
    x = 193,058,497,573.33/503,954.10
  6. Step 6: Final answer
    x = 383,087.46

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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.