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Finding the Fourth Proportional to 323,904.02, 486,003.65 and 166,243.19

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Solution

The fourth proportional to 323,904.02, 486,003.65 and 166,243.19 is: 249,440.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,904.02 : 486,003.65 = 166,243.19 : x
  2. Step 2: Convert to fraction form
    323,904.02/486,003.65 = 166,243.19/x
  3. Step 3: Cross multiply
    323,904.02x = 486,003.65 × 166,243.19
  4. Step 4: Simplify right side
    323,904.02x = 80,794,793,866.41
  5. Step 5: Solve for x
    x = 80,794,793,866.41/323,904.02
  6. Step 6: Final answer
    x = 249,440.54

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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.