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Finding the Fourth Proportional to 451,620.92, 623,245.43 and 247,658.89

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Solution

The fourth proportional to 451,620.92, 623,245.43 and 247,658.89 is: 341,773.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,620.92 : 623,245.43 = 247,658.89 : x
  2. Step 2: Convert to fraction form
    451,620.92/623,245.43 = 247,658.89/x
  3. Step 3: Cross multiply
    451,620.92x = 623,245.43 × 247,658.89
  4. Step 4: Simplify right side
    451,620.92x = 154,352,271,391.37
  5. Step 5: Solve for x
    x = 154,352,271,391.37/451,620.92
  6. Step 6: Final answer
    x = 341,773.96

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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.