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Finding the Fourth Proportional to 399,601.50, 599,588.28 and 174,932.34

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Solution

The fourth proportional to 399,601.50, 599,588.28 and 174,932.34 is: 262,479.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,601.50 : 599,588.28 = 174,932.34 : x
  2. Step 2: Convert to fraction form
    399,601.50/599,588.28 = 174,932.34/x
  3. Step 3: Cross multiply
    399,601.50x = 599,588.28 × 174,932.34
  4. Step 4: Simplify right side
    399,601.50x = 104,887,380,856.98
  5. Step 5: Solve for x
    x = 104,887,380,856.98/399,601.50
  6. Step 6: Final answer
    x = 262,479.95

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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.