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Finding the Fourth Proportional to 451,709.94, 623,344.05 and 250,524.66

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Solution

The fourth proportional to 451,709.94, 623,344.05 and 250,524.66 is: 345,715.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,709.94 : 623,344.05 = 250,524.66 : x
  2. Step 2: Convert to fraction form
    451,709.94/623,344.05 = 250,524.66/x
  3. Step 3: Cross multiply
    451,709.94x = 623,344.05 × 250,524.66
  4. Step 4: Simplify right side
    451,709.94x = 156,163,056,189.27
  5. Step 5: Solve for x
    x = 156,163,056,189.27/451,709.94
  6. Step 6: Final answer
    x = 345,715.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.