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Finding the Fourth Proportional to 277,402.62, 416,235.56 and 192,144.58

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Solution

The fourth proportional to 277,402.62, 416,235.56 and 192,144.58 is: 288,308.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,402.62 : 416,235.56 = 192,144.58 : x
  2. Step 2: Convert to fraction form
    277,402.62/416,235.56 = 192,144.58/x
  3. Step 3: Cross multiply
    277,402.62x = 416,235.56 × 192,144.58
  4. Step 4: Simplify right side
    277,402.62x = 79,977,406,297.04
  5. Step 5: Solve for x
    x = 79,977,406,297.04/277,402.62
  6. Step 6: Final answer
    x = 288,308.04

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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.