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Finding the Fourth Proportional to 624,517.44, 861,801.52 and 366,358.48

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Solution

The fourth proportional to 624,517.44, 861,801.52 and 366,358.48 is: 505,555.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,517.44 : 861,801.52 = 366,358.48 : x
  2. Step 2: Convert to fraction form
    624,517.44/861,801.52 = 366,358.48/x
  3. Step 3: Cross multiply
    624,517.44x = 861,801.52 × 366,358.48
  4. Step 4: Simplify right side
    624,517.44x = 315,728,294,928.89
  5. Step 5: Solve for x
    x = 315,728,294,928.89/624,517.44
  6. Step 6: Final answer
    x = 505,555.61

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1.5x scale

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.