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Finding the Fourth Proportional to 319,754.78, 441,269.62 and 181,926.11

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Solution

The fourth proportional to 319,754.78, 441,269.62 and 181,926.11 is: 251,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,754.78 : 441,269.62 = 181,926.11 : x
  2. Step 2: Convert to fraction form
    319,754.78/441,269.62 = 181,926.11/x
  3. Step 3: Cross multiply
    319,754.78x = 441,269.62 × 181,926.11
  4. Step 4: Simplify right side
    319,754.78x = 80,278,465,427.78
  5. Step 5: Solve for x
    x = 80,278,465,427.78/319,754.78
  6. Step 6: Final answer
    x = 251,062.60

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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.