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Finding the Fourth Proportional to 503,606.99, 695,027.85 and 376,061.15

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Solution

The fourth proportional to 503,606.99, 695,027.85 and 376,061.15 is: 519,001.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,606.99 : 695,027.85 = 376,061.15 : x
  2. Step 2: Convert to fraction form
    503,606.99/695,027.85 = 376,061.15/x
  3. Step 3: Cross multiply
    503,606.99x = 695,027.85 × 376,061.15
  4. Step 4: Simplify right side
    503,606.99x = 261,372,972,553.03
  5. Step 5: Solve for x
    x = 261,372,972,553.03/503,606.99
  6. Step 6: Final answer
    x = 519,001.88

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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.