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Finding the Fourth Proportional to 323,693.24, 485,100.45 and 171,851.94

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Solution

The fourth proportional to 323,693.24, 485,100.45 and 171,851.94 is: 257,544.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,693.24 : 485,100.45 = 171,851.94 : x
  2. Step 2: Convert to fraction form
    323,693.24/485,100.45 = 171,851.94/x
  3. Step 3: Cross multiply
    323,693.24x = 485,100.45 × 171,851.94
  4. Step 4: Simplify right side
    323,693.24x = 83,365,453,427.37
  5. Step 5: Solve for x
    x = 83,365,453,427.37/323,693.24
  6. Step 6: Final answer
    x = 257,544.63

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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.