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Finding the Fourth Proportional to 373,901.33, 515,981.17 and 204,135.45

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Solution

The fourth proportional to 373,901.33, 515,981.17 and 204,135.45 is: 281,705.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,901.33 : 515,981.17 = 204,135.45 : x
  2. Step 2: Convert to fraction form
    373,901.33/515,981.17 = 204,135.45/x
  3. Step 3: Cross multiply
    373,901.33x = 515,981.17 × 204,135.45
  4. Step 4: Simplify right side
    373,901.33x = 105,330,048,329.48
  5. Step 5: Solve for x
    x = 105,330,048,329.48/373,901.33
  6. Step 6: Final answer
    x = 281,705.47

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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.