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Finding the Fourth Proportional to 536,552.05, 804,536.47 and 221,040.85

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Solution

The fourth proportional to 536,552.05, 804,536.47 and 221,040.85 is: 331,441.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,552.05 : 804,536.47 = 221,040.85 : x
  2. Step 2: Convert to fraction form
    536,552.05/804,536.47 = 221,040.85/x
  3. Step 3: Cross multiply
    536,552.05x = 804,536.47 × 221,040.85
  4. Step 4: Simplify right side
    536,552.05x = 177,835,425,184.80
  5. Step 5: Solve for x
    x = 177,835,425,184.80/536,552.05
  6. Step 6: Final answer
    x = 331,441.14

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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.