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Finding the Fourth Proportional to 373,872.54, 515,926.11 and 212,712.54

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Solution

The fourth proportional to 373,872.54, 515,926.11 and 212,712.54 is: 293,533.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,872.54 : 515,926.11 = 212,712.54 : x
  2. Step 2: Convert to fraction form
    373,872.54/515,926.11 = 212,712.54/x
  3. Step 3: Cross multiply
    373,872.54x = 515,926.11 × 212,712.54
  4. Step 4: Simplify right side
    373,872.54x = 109,743,953,310.42
  5. Step 5: Solve for x
    x = 109,743,953,310.42/373,872.54
  6. Step 6: Final answer
    x = 293,533.07

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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.