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Finding the Fourth Proportional to 396,927.84, 595,488.96 and 197,342.22

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Solution

The fourth proportional to 396,927.84, 595,488.96 and 197,342.22 is: 296,061.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,927.84 : 595,488.96 = 197,342.22 : x
  2. Step 2: Convert to fraction form
    396,927.84/595,488.96 = 197,342.22/x
  3. Step 3: Cross multiply
    396,927.84x = 595,488.96 × 197,342.22
  4. Step 4: Simplify right side
    396,927.84x = 117,515,113,351.89
  5. Step 5: Solve for x
    x = 117,515,113,351.89/396,927.84
  6. Step 6: Final answer
    x = 296,061.66

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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.