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Finding the Fourth Proportional to 463,408.57, 639,513.54 and 262,204.57

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Solution

The fourth proportional to 463,408.57, 639,513.54 and 262,204.57 is: 361,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,408.57 : 639,513.54 = 262,204.57 : x
  2. Step 2: Convert to fraction form
    463,408.57/639,513.54 = 262,204.57/x
  3. Step 3: Cross multiply
    463,408.57x = 639,513.54 × 262,204.57
  4. Step 4: Simplify right side
    463,408.57x = 167,683,372,764.88
  5. Step 5: Solve for x
    x = 167,683,372,764.88/463,408.57
  6. Step 6: Final answer
    x = 361,847.80

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