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Finding the Fourth Proportional to 487,480.86, 731,537.03 and 262,996.25

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Solution

The fourth proportional to 487,480.86, 731,537.03 and 262,996.25 is: 394,664.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,480.86 : 731,537.03 = 262,996.25 : x
  2. Step 2: Convert to fraction form
    487,480.86/731,537.03 = 262,996.25/x
  3. Step 3: Cross multiply
    487,480.86x = 731,537.03 × 262,996.25
  4. Step 4: Simplify right side
    487,480.86x = 192,391,492,625.94
  5. Step 5: Solve for x
    x = 192,391,492,625.94/487,480.86
  6. Step 6: Final answer
    x = 394,664.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.