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Finding the Fourth Proportional to 222,702.80, 333,616.80 and 206,956.40

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Solution

The fourth proportional to 222,702.80, 333,616.80 and 206,956.40 is: 310,028.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,702.80 : 333,616.80 = 206,956.40 : x
  2. Step 2: Convert to fraction form
    222,702.80/333,616.80 = 206,956.40/x
  3. Step 3: Cross multiply
    222,702.80x = 333,616.80 × 206,956.40
  4. Step 4: Simplify right side
    222,702.80x = 69,044,131,907.52
  5. Step 5: Solve for x
    x = 69,044,131,907.52/222,702.80
  6. Step 6: Final answer
    x = 310,028.13

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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.