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Finding the Fourth Proportional to 624,683.20, 937,024.80 and 269,449.60

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Solution

The fourth proportional to 624,683.20, 937,024.80 and 269,449.60 is: 404,174.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,683.20 : 937,024.80 = 269,449.60 : x
  2. Step 2: Convert to fraction form
    624,683.20/937,024.80 = 269,449.60/x
  3. Step 3: Cross multiply
    624,683.20x = 937,024.80 × 269,449.60
  4. Step 4: Simplify right side
    624,683.20x = 252,480,957,550.08
  5. Step 5: Solve for x
    x = 252,480,957,550.08/624,683.20
  6. Step 6: Final answer
    x = 404,174.40

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Similar ratio
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1.5x scale

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.