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Finding the Fourth Proportional to 545,553.55, 752,082.96 and 383,906.26

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Solution

The fourth proportional to 545,553.55, 752,082.96 and 383,906.26 is: 529,241.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,553.55 : 752,082.96 = 383,906.26 : x
  2. Step 2: Convert to fraction form
    545,553.55/752,082.96 = 383,906.26/x
  3. Step 3: Cross multiply
    545,553.55x = 752,082.96 × 383,906.26
  4. Step 4: Simplify right side
    545,553.55x = 288,729,356,383.33
  5. Step 5: Solve for x
    x = 288,729,356,383.33/545,553.55
  6. Step 6: Final answer
    x = 529,241.09

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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.