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Finding the Fourth Proportional to 376,696.64, 564,799.61 and 136,765.44

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Solution

The fourth proportional to 376,696.64, 564,799.61 and 136,765.44 is: 205,059.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,696.64 : 564,799.61 = 136,765.44 : x
  2. Step 2: Convert to fraction form
    376,696.64/564,799.61 = 136,765.44/x
  3. Step 3: Cross multiply
    376,696.64x = 564,799.61 × 136,765.44
  4. Step 4: Simplify right side
    376,696.64x = 77,245,067,515.39
  5. Step 5: Solve for x
    x = 77,245,067,515.39/376,696.64
  6. Step 6: Final answer
    x = 205,059.08

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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.