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Finding the Fourth Proportional to 325,474.78, 488,025.06 and 173,484.64

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Solution

The fourth proportional to 325,474.78, 488,025.06 and 173,484.64 is: 260,127.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,474.78 : 488,025.06 = 173,484.64 : x
  2. Step 2: Convert to fraction form
    325,474.78/488,025.06 = 173,484.64/x
  3. Step 3: Cross multiply
    325,474.78x = 488,025.06 × 173,484.64
  4. Step 4: Simplify right side
    325,474.78x = 84,664,851,845.08
  5. Step 5: Solve for x
    x = 84,664,851,845.08/325,474.78
  6. Step 6: Final answer
    x = 260,127.23

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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.