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Finding the Fourth Proportional to 373,168.43, 514,972.57 and 212,023.69

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Solution

The fourth proportional to 373,168.43, 514,972.57 and 212,023.69 is: 292,592.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,168.43 : 514,972.57 = 212,023.69 : x
  2. Step 2: Convert to fraction form
    373,168.43/514,972.57 = 212,023.69/x
  3. Step 3: Cross multiply
    373,168.43x = 514,972.57 × 212,023.69
  4. Step 4: Simplify right side
    373,168.43x = 109,186,380,905.20
  5. Step 5: Solve for x
    x = 109,186,380,905.20/373,168.43
  6. Step 6: Final answer
    x = 292,592.76

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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.