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Finding the Fourth Proportional to 324,079.52, 486,289.96 and 166,307.98

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Solution

The fourth proportional to 324,079.52, 486,289.96 and 166,307.98 is: 249,549.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,079.52 : 486,289.96 = 166,307.98 : x
  2. Step 2: Convert to fraction form
    324,079.52/486,289.96 = 166,307.98/x
  3. Step 3: Cross multiply
    324,079.52x = 486,289.96 × 166,307.98
  4. Step 4: Simplify right side
    324,079.52x = 80,873,900,941.88
  5. Step 5: Solve for x
    x = 80,873,900,941.88/324,079.52
  6. Step 6: Final answer
    x = 249,549.56

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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.