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Finding the Fourth Proportional to 396,300.80, 594,444.32 and 159,637.43

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Solution

The fourth proportional to 396,300.80, 594,444.32 and 159,637.43 is: 239,453.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,300.80 : 594,444.32 = 159,637.43 : x
  2. Step 2: Convert to fraction form
    396,300.80/594,444.32 = 159,637.43/x
  3. Step 3: Cross multiply
    396,300.80x = 594,444.32 × 159,637.43
  4. Step 4: Simplify right side
    396,300.80x = 94,895,564,809.46
  5. Step 5: Solve for x
    x = 94,895,564,809.46/396,300.80
  6. Step 6: Final answer
    x = 239,453.38

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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.