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Finding the Fourth Proportional to 503,775.30, 694,027.38 and 350,549.97

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Solution

The fourth proportional to 503,775.30, 694,027.38 and 350,549.97 is: 482,936.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,775.30 : 694,027.38 = 350,549.97 : x
  2. Step 2: Convert to fraction form
    503,775.30/694,027.38 = 350,549.97/x
  3. Step 3: Cross multiply
    503,775.30x = 694,027.38 × 350,549.97
  4. Step 4: Simplify right side
    503,775.30x = 243,291,277,238.18
  5. Step 5: Solve for x
    x = 243,291,277,238.18/503,775.30
  6. Step 6: Final answer
    x = 482,936.10

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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.