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Finding the Fourth Proportional to 482,548.34, 665,910.52 and 261,782.38

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Solution

The fourth proportional to 482,548.34, 665,910.52 and 261,782.38 is: 361,256.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,548.34 : 665,910.52 = 261,782.38 : x
  2. Step 2: Convert to fraction form
    482,548.34/665,910.52 = 261,782.38/x
  3. Step 3: Cross multiply
    482,548.34x = 665,910.52 × 261,782.38
  4. Step 4: Simplify right side
    482,548.34x = 174,323,640,970.57
  5. Step 5: Solve for x
    x = 174,323,640,970.57/482,548.34
  6. Step 6: Final answer
    x = 361,256.33

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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.