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Finding the Fourth Proportional to 325,700.52, 488,551.88 and 115,344.60

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Solution

The fourth proportional to 325,700.52, 488,551.88 and 115,344.60 is: 173,017.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,700.52 : 488,551.88 = 115,344.60 : x
  2. Step 2: Convert to fraction form
    325,700.52/488,551.88 = 115,344.60/x
  3. Step 3: Cross multiply
    325,700.52x = 488,551.88 × 115,344.60
  4. Step 4: Simplify right side
    325,700.52x = 56,351,821,177.85
  5. Step 5: Solve for x
    x = 56,351,821,177.85/325,700.52
  6. Step 6: Final answer
    x = 173,017.29

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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.