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Finding the Fourth Proportional to 323,953.47, 486,077.90 and 166,292.73

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Solution

The fourth proportional to 323,953.47, 486,077.90 and 166,292.73 is: 249,514.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,953.47 : 486,077.90 = 166,292.73 : x
  2. Step 2: Convert to fraction form
    323,953.47/486,077.90 = 166,292.73/x
  3. Step 3: Cross multiply
    323,953.47x = 486,077.90 × 166,292.73
  4. Step 4: Simplify right side
    323,953.47x = 80,831,220,152.20
  5. Step 5: Solve for x
    x = 80,831,220,152.20/323,953.47
  6. Step 6: Final answer
    x = 249,514.91

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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.