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Finding the Fourth Proportional to 299,956.38, 447,288.96 and 297,256.08

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Solution

The fourth proportional to 299,956.38, 447,288.96 and 297,256.08 is: 443,262.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,956.38 : 447,288.96 = 297,256.08 : x
  2. Step 2: Convert to fraction form
    299,956.38/447,288.96 = 297,256.08/x
  3. Step 3: Cross multiply
    299,956.38x = 447,288.96 × 297,256.08
  4. Step 4: Simplify right side
    299,956.38x = 132,959,362,876.88
  5. Step 5: Solve for x
    x = 132,959,362,876.88/299,956.38
  6. Step 6: Final answer
    x = 443,262.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.