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Finding the Fourth Proportional to 373,186.71, 514,996.52 and 212,033.97

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Solution

The fourth proportional to 373,186.71, 514,996.52 and 212,033.97 is: 292,606.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,186.71 : 514,996.52 = 212,033.97 : x
  2. Step 2: Convert to fraction form
    373,186.71/514,996.52 = 212,033.97/x
  3. Step 3: Cross multiply
    373,186.71x = 514,996.52 × 212,033.97
  4. Step 4: Simplify right side
    373,186.71x = 109,196,755,611.62
  5. Step 5: Solve for x
    x = 109,196,755,611.62/373,186.71
  6. Step 6: Final answer
    x = 292,606.23

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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.