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Finding the Fourth Proportional to 469,277.45, 703,983.13 and 145,093.44

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Solution

The fourth proportional to 469,277.45, 703,983.13 and 145,093.44 is: 217,660.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,277.45 : 703,983.13 = 145,093.44 : x
  2. Step 2: Convert to fraction form
    469,277.45/703,983.13 = 145,093.44/x
  3. Step 3: Cross multiply
    469,277.45x = 703,983.13 × 145,093.44
  4. Step 4: Simplify right side
    469,277.45x = 102,143,336,310.87
  5. Step 5: Solve for x
    x = 102,143,336,310.87/469,277.45
  6. Step 6: Final answer
    x = 217,660.87

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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.