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Finding the Fourth Proportional to 373,476.67, 515,397.72 and 203,710.75

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Solution

The fourth proportional to 373,476.67, 515,397.72 and 203,710.75 is: 281,120.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,476.67 : 515,397.72 = 203,710.75 : x
  2. Step 2: Convert to fraction form
    373,476.67/515,397.72 = 203,710.75/x
  3. Step 3: Cross multiply
    373,476.67x = 515,397.72 × 203,710.75
  4. Step 4: Simplify right side
    373,476.67x = 104,992,056,089.49
  5. Step 5: Solve for x
    x = 104,992,056,089.49/373,476.67
  6. Step 6: Final answer
    x = 281,120.79

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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.