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Finding the Fourth Proportional to 617,062.48, 925,732.23 and 217,706.56

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Solution

The fourth proportional to 617,062.48, 925,732.23 and 217,706.56 is: 326,608.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,062.48 : 925,732.23 = 217,706.56 : x
  2. Step 2: Convert to fraction form
    617,062.48/925,732.23 = 217,706.56/x
  3. Step 3: Cross multiply
    617,062.48x = 925,732.23 × 217,706.56
  4. Step 4: Simplify right side
    617,062.48x = 201,537,979,274.43
  5. Step 5: Solve for x
    x = 201,537,979,274.43/617,062.48
  6. Step 6: Final answer
    x = 326,608.71

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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.