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Finding the Fourth Proportional to 325,698.52, 488,548.88 and 115,342.60

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Solution

The fourth proportional to 325,698.52, 488,548.88 and 115,342.60 is: 173,014.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,698.52 : 488,548.88 = 115,342.60 : x
  2. Step 2: Convert to fraction form
    325,698.52/488,548.88 = 115,342.60/x
  3. Step 3: Cross multiply
    325,698.52x = 488,548.88 × 115,342.60
  4. Step 4: Simplify right side
    325,698.52x = 56,350,498,046.29
  5. Step 5: Solve for x
    x = 56,350,498,046.29/325,698.52
  6. Step 6: Final answer
    x = 173,014.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.