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Finding the Fourth Proportional to 396,551.79, 594,623.57 and 159,830.91

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Solution

The fourth proportional to 396,551.79, 594,623.57 and 159,830.91 is: 239,664.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,551.79 : 594,623.57 = 159,830.91 : x
  2. Step 2: Convert to fraction form
    396,551.79/594,623.57 = 159,830.91/x
  3. Step 3: Cross multiply
    396,551.79x = 594,623.57 × 159,830.91
  4. Step 4: Simplify right side
    396,551.79x = 95,039,225,501.39
  5. Step 5: Solve for x
    x = 95,039,225,501.39/396,551.79
  6. Step 6: Final answer
    x = 239,664.09

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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.