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Finding the Fourth Proportional to 536,851.15, 804,686.24 and 221,135.83

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Solution

The fourth proportional to 536,851.15, 804,686.24 and 221,135.83 is: 331,460.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,851.15 : 804,686.24 = 221,135.83 : x
  2. Step 2: Convert to fraction form
    536,851.15/804,686.24 = 221,135.83/x
  3. Step 3: Cross multiply
    536,851.15x = 804,686.24 × 221,135.83
  4. Step 4: Simplify right side
    536,851.15x = 177,944,958,466.30
  5. Step 5: Solve for x
    x = 177,944,958,466.30/536,851.15
  6. Step 6: Final answer
    x = 331,460.51

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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.