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Finding the Fourth Proportional to 424,469.00, 586,607.31 and 347,867.30

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Solution

The fourth proportional to 424,469.00, 586,607.31 and 347,867.30 is: 480,745.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,469.00 : 586,607.31 = 347,867.30 : x
  2. Step 2: Convert to fraction form
    424,469.00/586,607.31 = 347,867.30/x
  3. Step 3: Cross multiply
    424,469.00x = 586,607.31 × 347,867.30
  4. Step 4: Simplify right side
    424,469.00x = 204,061,498,156.93
  5. Step 5: Solve for x
    x = 204,061,498,156.93/424,469.00
  6. Step 6: Final answer
    x = 480,745.36

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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.