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Finding the Fourth Proportional to 503,768.48, 695,201.52 and 277,414.40

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Solution

The fourth proportional to 503,768.48, 695,201.52 and 277,414.40 is: 382,832.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,768.48 : 695,201.52 = 277,414.40 : x
  2. Step 2: Convert to fraction form
    503,768.48/695,201.52 = 277,414.40/x
  3. Step 3: Cross multiply
    503,768.48x = 695,201.52 × 277,414.40
  4. Step 4: Simplify right side
    503,768.48x = 192,858,912,549.89
  5. Step 5: Solve for x
    x = 192,858,912,549.89/503,768.48
  6. Step 6: Final answer
    x = 382,832.43

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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.