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Finding the Fourth Proportional to 451,889.52, 623,660.76 and 250,698.48

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Solution

The fourth proportional to 451,889.52, 623,660.76 and 250,698.48 is: 345,993.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,889.52 : 623,660.76 = 250,698.48 : x
  2. Step 2: Convert to fraction form
    451,889.52/623,660.76 = 250,698.48/x
  3. Step 3: Cross multiply
    451,889.52x = 623,660.76 × 250,698.48
  4. Step 4: Simplify right side
    451,889.52x = 156,350,804,567.65
  5. Step 5: Solve for x
    x = 156,350,804,567.65/451,889.52
  6. Step 6: Final answer
    x = 345,993.43

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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.