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Finding the Fourth Proportional to 655,757.34, 904,960.56 and 365,388.54

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Solution

The fourth proportional to 655,757.34, 904,960.56 and 365,388.54 is: 504,244.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,757.34 : 904,960.56 = 365,388.54 : x
  2. Step 2: Convert to fraction form
    655,757.34/904,960.56 = 365,388.54/x
  3. Step 3: Cross multiply
    655,757.34x = 904,960.56 × 365,388.54
  4. Step 4: Simplify right side
    655,757.34x = 330,662,217,775.98
  5. Step 5: Solve for x
    x = 330,662,217,775.98/655,757.34
  6. Step 6: Final answer
    x = 504,244.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.