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Finding the Fourth Proportional to 477,392.94, 658,819.17 and 262,549.62

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Solution

The fourth proportional to 477,392.94, 658,819.17 and 262,549.62 is: 362,327.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,392.94 : 658,819.17 = 262,549.62 : x
  2. Step 2: Convert to fraction form
    477,392.94/658,819.17 = 262,549.62/x
  3. Step 3: Cross multiply
    477,392.94x = 658,819.17 × 262,549.62
  4. Step 4: Simplify right side
    477,392.94x = 172,972,722,732.22
  5. Step 5: Solve for x
    x = 172,972,722,732.22/477,392.94
  6. Step 6: Final answer
    x = 362,327.78

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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.