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Finding the Fourth Proportional to 552,452.20, 826,604.70 and 365,828.20

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Solution

The fourth proportional to 552,452.20, 826,604.70 and 365,828.20 is: 547,369.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,452.20 : 826,604.70 = 365,828.20 : x
  2. Step 2: Convert to fraction form
    552,452.20/826,604.70 = 365,828.20/x
  3. Step 3: Cross multiply
    552,452.20x = 826,604.70 × 365,828.20
  4. Step 4: Simplify right side
    552,452.20x = 302,395,309,512.54
  5. Step 5: Solve for x
    x = 302,395,309,512.54/552,452.20
  6. Step 6: Final answer
    x = 547,369.18

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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.