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Finding the Fourth Proportional to 624,665.41, 936,399.52 and 264,340.59

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Solution

The fourth proportional to 624,665.41, 936,399.52 and 264,340.59 is: 396,257.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,665.41 : 936,399.52 = 264,340.59 : x
  2. Step 2: Convert to fraction form
    624,665.41/936,399.52 = 264,340.59/x
  3. Step 3: Cross multiply
    624,665.41x = 936,399.52 × 264,340.59
  4. Step 4: Simplify right side
    624,665.41x = 247,528,399,251.52
  5. Step 5: Solve for x
    x = 247,528,399,251.52/624,665.41
  6. Step 6: Final answer
    x = 396,257.57

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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.