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Finding the Fourth Proportional to 396,521.28, 594,222.48 and 307,356.48

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Solution

The fourth proportional to 396,521.28, 594,222.48 and 307,356.48 is: 460,601.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,521.28 : 594,222.48 = 307,356.48 : x
  2. Step 2: Convert to fraction form
    396,521.28/594,222.48 = 307,356.48/x
  3. Step 3: Cross multiply
    396,521.28x = 594,222.48 × 307,356.48
  4. Step 4: Simplify right side
    396,521.28x = 182,638,129,789.67
  5. Step 5: Solve for x
    x = 182,638,129,789.67/396,521.28
  6. Step 6: Final answer
    x = 460,601.08

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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.