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Finding the Fourth Proportional to 477,147.91, 658,472.30 and 262,297.03

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Solution

The fourth proportional to 477,147.91, 658,472.30 and 262,297.03 is: 361,974.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,147.91 : 658,472.30 = 262,297.03 : x
  2. Step 2: Convert to fraction form
    477,147.91/658,472.30 = 262,297.03/x
  3. Step 3: Cross multiply
    477,147.91x = 658,472.30 × 262,297.03
  4. Step 4: Simplify right side
    477,147.91x = 172,715,328,627.27
  5. Step 5: Solve for x
    x = 172,715,328,627.27/477,147.91
  6. Step 6: Final answer
    x = 361,974.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.