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Finding the Fourth Proportional to 404,469.56, 558,370.07 and 251,557.04

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Solution

The fourth proportional to 404,469.56, 558,370.07 and 251,557.04 is: 347,274.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,469.56 : 558,370.07 = 251,557.04 : x
  2. Step 2: Convert to fraction form
    404,469.56/558,370.07 = 251,557.04/x
  3. Step 3: Cross multiply
    404,469.56x = 558,370.07 × 251,557.04
  4. Step 4: Simplify right side
    404,469.56x = 140,461,923,822.78
  5. Step 5: Solve for x
    x = 140,461,923,822.78/404,469.56
  6. Step 6: Final answer
    x = 347,274.40

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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.