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Finding the Fourth Proportional to 572,450.82, 858,679.19 and 335,627.42

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Solution

The fourth proportional to 572,450.82, 858,679.19 and 335,627.42 is: 503,442.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,450.82 : 858,679.19 = 335,627.42 : x
  2. Step 2: Convert to fraction form
    572,450.82/858,679.19 = 335,627.42/x
  3. Step 3: Cross multiply
    572,450.82x = 858,679.19 × 335,627.42
  4. Step 4: Simplify right side
    572,450.82x = 288,196,279,469.25
  5. Step 5: Solve for x
    x = 288,196,279,469.25/572,450.82
  6. Step 6: Final answer
    x = 503,442.87

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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.