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Finding the Fourth Proportional to 376,607.78, 564,910.86 and 236,464.82

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Solution

The fourth proportional to 376,607.78, 564,910.86 and 236,464.82 is: 354,696.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,607.78 : 564,910.86 = 236,464.82 : x
  2. Step 2: Convert to fraction form
    376,607.78/564,910.86 = 236,464.82/x
  3. Step 3: Cross multiply
    376,607.78x = 564,910.86 × 236,464.82
  4. Step 4: Simplify right side
    376,607.78x = 133,581,544,825.95
  5. Step 5: Solve for x
    x = 133,581,544,825.95/376,607.78
  6. Step 6: Final answer
    x = 354,696.72

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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.