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Finding the Fourth Proportional to 624,327.52, 861,570.96 and 352,452.64

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Solution

The fourth proportional to 624,327.52, 861,570.96 and 352,452.64 is: 486,384.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,327.52 : 861,570.96 = 352,452.64 : x
  2. Step 2: Convert to fraction form
    624,327.52/861,570.96 = 352,452.64/x
  3. Step 3: Cross multiply
    624,327.52x = 861,570.96 × 352,452.64
  4. Step 4: Simplify right side
    624,327.52x = 303,662,959,399.33
  5. Step 5: Solve for x
    x = 303,662,959,399.33/624,327.52
  6. Step 6: Final answer
    x = 486,384.07

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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.