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Finding the Fourth Proportional to 503,868.39, 755,909.19 and 166,889.95

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Solution

The fourth proportional to 503,868.39, 755,909.19 and 166,889.95 is: 250,370.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,868.39 : 755,909.19 = 166,889.95 : x
  2. Step 2: Convert to fraction form
    503,868.39/755,909.19 = 166,889.95/x
  3. Step 3: Cross multiply
    503,868.39x = 755,909.19 × 166,889.95
  4. Step 4: Simplify right side
    503,868.39x = 126,153,646,923.64
  5. Step 5: Solve for x
    x = 126,153,646,923.64/503,868.39
  6. Step 6: Final answer
    x = 250,370.23

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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.