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Finding the Fourth Proportional to 624,563.52, 936,174.72 and 269,744.64

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Solution

The fourth proportional to 624,563.52, 936,174.72 and 269,744.64 is: 404,327.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,563.52 : 936,174.72 = 269,744.64 : x
  2. Step 2: Convert to fraction form
    624,563.52/936,174.72 = 269,744.64/x
  3. Step 3: Cross multiply
    624,563.52x = 936,174.72 × 269,744.64
  4. Step 4: Simplify right side
    624,563.52x = 252,528,112,823.50
  5. Step 5: Solve for x
    x = 252,528,112,823.50/624,563.52
  6. Step 6: Final answer
    x = 404,327.35

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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.