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Finding the Fourth Proportional to 398,683.62, 598,025.43 and 273,645.54

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Solution

The fourth proportional to 398,683.62, 598,025.43 and 273,645.54 is: 410,468.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,683.62 : 598,025.43 = 273,645.54 : x
  2. Step 2: Convert to fraction form
    398,683.62/598,025.43 = 273,645.54/x
  3. Step 3: Cross multiply
    398,683.62x = 598,025.43 × 273,645.54
  4. Step 4: Simplify right side
    398,683.62x = 163,646,991,726.08
  5. Step 5: Solve for x
    x = 163,646,991,726.08/398,683.62
  6. Step 6: Final answer
    x = 410,468.31

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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.