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Finding the Fourth Proportional to 536,850.93, 804,685.82 and 221,135.61

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Solution

The fourth proportional to 536,850.93, 804,685.82 and 221,135.61 is: 331,460.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,850.93 : 804,685.82 = 221,135.61 : x
  2. Step 2: Convert to fraction form
    536,850.93/804,685.82 = 221,135.61/x
  3. Step 3: Cross multiply
    536,850.93x = 804,685.82 × 221,135.61
  4. Step 4: Simplify right side
    536,850.93x = 177,944,688,558.37
  5. Step 5: Solve for x
    x = 177,944,688,558.37/536,850.93
  6. Step 6: Final answer
    x = 331,460.15

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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.