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Finding the Fourth Proportional to 451,527.98, 623,114.62 and 247,578.37

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Solution

The fourth proportional to 451,527.98, 623,114.62 and 247,578.37 is: 341,661.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,527.98 : 623,114.62 = 247,578.37 : x
  2. Step 2: Convert to fraction form
    451,527.98/623,114.62 = 247,578.37/x
  3. Step 3: Cross multiply
    451,527.98x = 623,114.62 × 247,578.37
  4. Step 4: Simplify right side
    451,527.98x = 154,269,699,766.04
  5. Step 5: Solve for x
    x = 154,269,699,766.04/451,527.98
  6. Step 6: Final answer
    x = 341,661.44

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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.