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Finding the Fourth Proportional to 366,068.84, 505,180.37 and 210,934.61

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Solution

The fourth proportional to 366,068.84, 505,180.37 and 210,934.61 is: 291,092.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,068.84 : 505,180.37 = 210,934.61 : x
  2. Step 2: Convert to fraction form
    366,068.84/505,180.37 = 210,934.61/x
  3. Step 3: Cross multiply
    366,068.84x = 505,180.37 × 210,934.61
  4. Step 4: Simplify right side
    366,068.84x = 106,560,020,745.03
  5. Step 5: Solve for x
    x = 106,560,020,745.03/366,068.84
  6. Step 6: Final answer
    x = 291,092.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.