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Finding the Fourth Proportional to 762,655, 1,144,299.78 and 335,972.44

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Solution

The fourth proportional to 762,655, 1,144,299.78 and 335,972.44 is: 504,098.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,655 : 1,144,299.78 = 335,972.44 : x
  2. Step 2: Convert to fraction form
    762,655/1,144,299.78 = 335,972.44/x
  3. Step 3: Cross multiply
    762,655x = 1,144,299.78 × 335,972.44
  4. Step 4: Simplify right side
    762,655x = 384,453,189,178.06
  5. Step 5: Solve for x
    x = 384,453,189,178.06/762,655
  6. Step 6: Final answer
    x = 504,098.43

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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.