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Finding the Fourth Proportional to 458,356.26, 632,522.11 and 254,395.22

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Solution

The fourth proportional to 458,356.26, 632,522.11 and 254,395.22 is: 351,060.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,356.26 : 632,522.11 = 254,395.22 : x
  2. Step 2: Convert to fraction form
    458,356.26/632,522.11 = 254,395.22/x
  3. Step 3: Cross multiply
    458,356.26x = 632,522.11 × 254,395.22
  4. Step 4: Simplify right side
    458,356.26x = 160,910,597,529.72
  5. Step 5: Solve for x
    x = 160,910,597,529.72/458,356.26
  6. Step 6: Final answer
    x = 351,060.11

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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.