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Finding the Fourth Proportional to 477,676.60, 659,203.92 and 262,817.29

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Solution

The fourth proportional to 477,676.60, 659,203.92 and 262,817.29 is: 362,693.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,676.60 : 659,203.92 = 262,817.29 : x
  2. Step 2: Convert to fraction form
    477,676.60/659,203.92 = 262,817.29/x
  3. Step 3: Cross multiply
    477,676.60x = 659,203.92 × 262,817.29
  4. Step 4: Simplify right side
    477,676.60x = 173,250,187,811.78
  5. Step 5: Solve for x
    x = 173,250,187,811.78/477,676.60
  6. Step 6: Final answer
    x = 362,693.48

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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.