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Finding the Fourth Proportional to 376,168.93, 519,113.14 and 215,027.48

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Solution

The fourth proportional to 376,168.93, 519,113.14 and 215,027.48 is: 296,737.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,168.93 : 519,113.14 = 215,027.48 : x
  2. Step 2: Convert to fraction form
    376,168.93/519,113.14 = 215,027.48/x
  3. Step 3: Cross multiply
    376,168.93x = 519,113.14 × 215,027.48
  4. Step 4: Simplify right side
    376,168.93x = 111,623,591,089.30
  5. Step 5: Solve for x
    x = 111,623,591,089.30/376,168.93
  6. Step 6: Final answer
    x = 296,737.94

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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.