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Finding the Fourth Proportional to 396,312.84, 594,740.34 and 159,674.04

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Solution

The fourth proportional to 396,312.84, 594,740.34 and 159,674.04 is: 239,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,312.84 : 594,740.34 = 159,674.04 : x
  2. Step 2: Convert to fraction form
    396,312.84/594,740.34 = 159,674.04/x
  3. Step 3: Cross multiply
    396,312.84x = 594,740.34 × 159,674.04
  4. Step 4: Simplify right side
    396,312.84x = 94,964,592,838.77
  5. Step 5: Solve for x
    x = 94,964,592,838.77/396,312.84
  6. Step 6: Final answer
    x = 239,620.28

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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.