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Finding the Fourth Proportional to 491,929.84, 737,894.96 and 379,773.80

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Solution

The fourth proportional to 491,929.84, 737,894.96 and 379,773.80 is: 569,660.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,929.84 : 737,894.96 = 379,773.80 : x
  2. Step 2: Convert to fraction form
    491,929.84/737,894.96 = 379,773.80/x
  3. Step 3: Cross multiply
    491,929.84x = 737,894.96 × 379,773.80
  4. Step 4: Simplify right side
    491,929.84x = 280,233,172,960.05
  5. Step 5: Solve for x
    x = 280,233,172,960.05/491,929.84
  6. Step 6: Final answer
    x = 569,660.85

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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.