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Finding the Fourth Proportional to 325,473.78, 488,023.56 and 173,483.64

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Solution

The fourth proportional to 325,473.78, 488,023.56 and 173,483.64 is: 260,125.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,473.78 : 488,023.56 = 173,483.64 : x
  2. Step 2: Convert to fraction form
    325,473.78/488,023.56 = 173,483.64/x
  3. Step 3: Cross multiply
    325,473.78x = 488,023.56 × 173,483.64
  4. Step 4: Simplify right side
    325,473.78x = 84,664,103,594.56
  5. Step 5: Solve for x
    x = 84,664,103,594.56/325,473.78
  6. Step 6: Final answer
    x = 260,125.73

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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.