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Finding the Fourth Proportional to 373,476.06, 515,392.47 and 203,706.54

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Solution

The fourth proportional to 373,476.06, 515,392.47 and 203,706.54 is: 281,112.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,476.06 : 515,392.47 = 203,706.54 : x
  2. Step 2: Convert to fraction form
    373,476.06/515,392.47 = 203,706.54/x
  3. Step 3: Cross multiply
    373,476.06x = 515,392.47 × 203,706.54
  4. Step 4: Simplify right side
    373,476.06x = 104,988,816,805.75
  5. Step 5: Solve for x
    x = 104,988,816,805.75/373,476.06
  6. Step 6: Final answer
    x = 281,112.57

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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.