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Finding the Fourth Proportional to 373,168.68, 514,972.91 and 212,023.94

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Solution

The fourth proportional to 373,168.68, 514,972.91 and 212,023.94 is: 292,593.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,168.68 : 514,972.91 = 212,023.94 : x
  2. Step 2: Convert to fraction form
    373,168.68/514,972.91 = 212,023.94/x
  3. Step 3: Cross multiply
    373,168.68x = 514,972.91 × 212,023.94
  4. Step 4: Simplify right side
    373,168.68x = 109,186,582,796.60
  5. Step 5: Solve for x
    x = 109,186,582,796.60/373,168.68
  6. Step 6: Final answer
    x = 292,593.11

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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.