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Finding the Fourth Proportional to 572,418.62, 858,600.22 and 217,404.93

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Solution

The fourth proportional to 572,418.62, 858,600.22 and 217,404.93 is: 326,096.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,418.62 : 858,600.22 = 217,404.93 : x
  2. Step 2: Convert to fraction form
    572,418.62/858,600.22 = 217,404.93/x
  3. Step 3: Cross multiply
    572,418.62x = 858,600.22 × 217,404.93
  4. Step 4: Simplify right side
    572,418.62x = 186,663,920,727.09
  5. Step 5: Solve for x
    x = 186,663,920,727.09/572,418.62
  6. Step 6: Final answer
    x = 326,096.87

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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.