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Finding the Fourth Proportional to 545,090.33, 752,217.18 and 303,372.96

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Solution

The fourth proportional to 545,090.33, 752,217.18 and 303,372.96 is: 418,650.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,090.33 : 752,217.18 = 303,372.96 : x
  2. Step 2: Convert to fraction form
    545,090.33/752,217.18 = 303,372.96/x
  3. Step 3: Cross multiply
    545,090.33x = 752,217.18 × 303,372.96
  4. Step 4: Simplify right side
    545,090.33x = 228,202,352,459.45
  5. Step 5: Solve for x
    x = 228,202,352,459.45/545,090.33
  6. Step 6: Final answer
    x = 418,650.53

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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.