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Finding the Fourth Proportional to 477,151.56, 658,478.57 and 262,311.62

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Solution

The fourth proportional to 477,151.56, 658,478.57 and 262,311.62 is: 361,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,151.56 : 658,478.57 = 262,311.62 : x
  2. Step 2: Convert to fraction form
    477,151.56/658,478.57 = 262,311.62/x
  3. Step 3: Cross multiply
    477,151.56x = 658,478.57 × 262,311.62
  4. Step 4: Simplify right side
    477,151.56x = 172,726,575,828.03
  5. Step 5: Solve for x
    x = 172,726,575,828.03/477,151.56
  6. Step 6: Final answer
    x = 361,995.20

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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.