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Finding the Fourth Proportional to 273,286.71, 376,970.30 and 176,338.82

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Solution

The fourth proportional to 273,286.71, 376,970.30 and 176,338.82 is: 243,240.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,286.71 : 376,970.30 = 176,338.82 : x
  2. Step 2: Convert to fraction form
    273,286.71/376,970.30 = 176,338.82/x
  3. Step 3: Cross multiply
    273,286.71x = 376,970.30 × 176,338.82
  4. Step 4: Simplify right side
    273,286.71x = 66,474,499,590.95
  5. Step 5: Solve for x
    x = 66,474,499,590.95/273,286.71
  6. Step 6: Final answer
    x = 243,240.88

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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.