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Finding the Fourth Proportional to 376,608.78, 564,912.36 and 236,465.82

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Solution

The fourth proportional to 376,608.78, 564,912.36 and 236,465.82 is: 354,698.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,608.78 : 564,912.36 = 236,465.82 : x
  2. Step 2: Convert to fraction form
    376,608.78/564,912.36 = 236,465.82/x
  3. Step 3: Cross multiply
    376,608.78x = 564,912.36 × 236,465.82
  4. Step 4: Simplify right side
    376,608.78x = 133,582,464,435.54
  5. Step 5: Solve for x
    x = 133,582,464,435.54/376,608.78
  6. Step 6: Final answer
    x = 354,698.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.