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Finding the Fourth Proportional to 373,903.33, 515,983.93 and 204,137.45

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Solution

The fourth proportional to 373,903.33, 515,983.93 and 204,137.45 is: 281,708.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,903.33 : 515,983.93 = 204,137.45 : x
  2. Step 2: Convert to fraction form
    373,903.33/515,983.93 = 204,137.45/x
  3. Step 3: Cross multiply
    373,903.33x = 515,983.93 × 204,137.45
  4. Step 4: Simplify right side
    373,903.33x = 105,331,643,711.18
  5. Step 5: Solve for x
    x = 105,331,643,711.18/373,903.33
  6. Step 6: Final answer
    x = 281,708.23

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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.