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Finding the Fourth Proportional to 477,007.20, 658,256.48 and 262,147.20

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Solution

The fourth proportional to 477,007.20, 658,256.48 and 262,147.20 is: 361,755.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,007.20 : 658,256.48 = 262,147.20 : x
  2. Step 2: Convert to fraction form
    477,007.20/658,256.48 = 262,147.20/x
  3. Step 3: Cross multiply
    477,007.20x = 658,256.48 × 262,147.20
  4. Step 4: Simplify right side
    477,007.20x = 172,560,093,113.86
  5. Step 5: Solve for x
    x = 172,560,093,113.86/477,007.20
  6. Step 6: Final answer
    x = 361,755.74

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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.