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Finding the Fourth Proportional to 491,799.36, 737,553.24 and 211,251

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Solution

The fourth proportional to 491,799.36, 737,553.24 and 211,251 is: 316,813.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,799.36 : 737,553.24 = 211,251 : x
  2. Step 2: Convert to fraction form
    491,799.36/737,553.24 = 211,251/x
  3. Step 3: Cross multiply
    491,799.36x = 737,553.24 × 211,251
  4. Step 4: Simplify right side
    491,799.36x = 155,808,859,503.24
  5. Step 5: Solve for x
    x = 155,808,859,503.24/491,799.36
  6. Step 6: Final answer
    x = 316,813.87

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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.