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Finding the Fourth Proportional to 447,667.62, 671,079.32 and 222,815.49

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Solution

The fourth proportional to 447,667.62, 671,079.32 and 222,815.49 is: 334,013.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,667.62 : 671,079.32 = 222,815.49 : x
  2. Step 2: Convert to fraction form
    447,667.62/671,079.32 = 222,815.49/x
  3. Step 3: Cross multiply
    447,667.62x = 671,079.32 × 222,815.49
  4. Step 4: Simplify right side
    447,667.62x = 149,526,863,045.19
  5. Step 5: Solve for x
    x = 149,526,863,045.19/447,667.62
  6. Step 6: Final answer
    x = 334,013.13

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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.