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Finding the Fourth Proportional to 534,131.20, 801,600 and 365,248

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Solution

The fourth proportional to 534,131.20, 801,600 and 365,248 is: 548,147.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,131.20 : 801,600 = 365,248 : x
  2. Step 2: Convert to fraction form
    534,131.20/801,600 = 365,248/x
  3. Step 3: Cross multiply
    534,131.20x = 801,600 × 365,248
  4. Step 4: Simplify right side
    534,131.20x = 292,782,796,800
  5. Step 5: Solve for x
    x = 292,782,796,800/534,131.20
  6. Step 6: Final answer
    x = 548,147.72

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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.