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Finding the Fourth Proportional to 323,954.47, 486,079.40 and 166,293.73

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Solution

The fourth proportional to 323,954.47, 486,079.40 and 166,293.73 is: 249,516.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,954.47 : 486,079.40 = 166,293.73 : x
  2. Step 2: Convert to fraction form
    323,954.47/486,079.40 = 166,293.73/x
  3. Step 3: Cross multiply
    323,954.47x = 486,079.40 × 166,293.73
  4. Step 4: Simplify right side
    323,954.47x = 80,831,956,502.16
  5. Step 5: Solve for x
    x = 80,831,956,502.16/323,954.47
  6. Step 6: Final answer
    x = 249,516.41

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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.