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Finding the Fourth Proportional to 363,747.74, 501,997.12 and 220,513.82

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Solution

The fourth proportional to 363,747.74, 501,997.12 and 220,513.82 is: 304,324.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,747.74 : 501,997.12 = 220,513.82 : x
  2. Step 2: Convert to fraction form
    363,747.74/501,997.12 = 220,513.82/x
  3. Step 3: Cross multiply
    363,747.74x = 501,997.12 × 220,513.82
  4. Step 4: Simplify right side
    363,747.74x = 110,697,302,560.20
  5. Step 5: Solve for x
    x = 110,697,302,560.20/363,747.74
  6. Step 6: Final answer
    x = 304,324.37

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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.