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Finding the Fourth Proportional to 590,003.78, 814,203.43 and 335,404.02

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Solution

The fourth proportional to 590,003.78, 814,203.43 and 335,404.02 is: 462,856.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,003.78 : 814,203.43 = 335,404.02 : x
  2. Step 2: Convert to fraction form
    590,003.78/814,203.43 = 335,404.02/x
  3. Step 3: Cross multiply
    590,003.78x = 814,203.43 × 335,404.02
  4. Step 4: Simplify right side
    590,003.78x = 273,087,103,519.79
  5. Step 5: Solve for x
    x = 273,087,103,519.79/590,003.78
  6. Step 6: Final answer
    x = 462,856.53

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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.