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Finding the Fourth Proportional to 337,387.70, 505,831.57 and 204,236.46

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Solution

The fourth proportional to 337,387.70, 505,831.57 and 204,236.46 is: 306,203.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,387.70 : 505,831.57 = 204,236.46 : x
  2. Step 2: Convert to fraction form
    337,387.70/505,831.57 = 204,236.46/x
  3. Step 3: Cross multiply
    337,387.70x = 505,831.57 × 204,236.46
  4. Step 4: Simplify right side
    337,387.70x = 103,309,248,702.45
  5. Step 5: Solve for x
    x = 103,309,248,702.45/337,387.70
  6. Step 6: Final answer
    x = 306,203.36

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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.