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Finding the Fourth Proportional to 373,841.43, 515,894.47 and 212,693.01

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Solution

The fourth proportional to 373,841.43, 515,894.47 and 212,693.01 is: 293,512.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,841.43 : 515,894.47 = 212,693.01 : x
  2. Step 2: Convert to fraction form
    373,841.43/515,894.47 = 212,693.01/x
  3. Step 3: Cross multiply
    373,841.43x = 515,894.47 × 212,693.01
  4. Step 4: Simplify right side
    373,841.43x = 109,727,147,666.66
  5. Step 5: Solve for x
    x = 109,727,147,666.66/373,841.43
  6. Step 6: Final answer
    x = 293,512.54

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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.