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Finding the Fourth Proportional to 624,233.16, 861,445.78 and 366,057.56

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Solution

The fourth proportional to 624,233.16, 861,445.78 and 366,057.56 is: 505,161.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,233.16 : 861,445.78 = 366,057.56 : x
  2. Step 2: Convert to fraction form
    624,233.16/861,445.78 = 366,057.56/x
  3. Step 3: Cross multiply
    624,233.16x = 861,445.78 × 366,057.56
  4. Step 4: Simplify right side
    624,233.16x = 315,338,741,537.57
  5. Step 5: Solve for x
    x = 315,338,741,537.57/624,233.16
  6. Step 6: Final answer
    x = 505,161.79

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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.