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Finding the Fourth Proportional to 396,376.59, 594,655.71 and 171,774.73

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Solution

The fourth proportional to 396,376.59, 594,655.71 and 171,774.73 is: 257,701.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,376.59 : 594,655.71 = 171,774.73 : x
  2. Step 2: Convert to fraction form
    396,376.59/594,655.71 = 171,774.73/x
  3. Step 3: Cross multiply
    396,376.59x = 594,655.71 × 171,774.73
  4. Step 4: Simplify right side
    396,376.59x = 102,146,824,028.21
  5. Step 5: Solve for x
    x = 102,146,824,028.21/396,376.59
  6. Step 6: Final answer
    x = 257,701.46

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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.