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Finding the Fourth Proportional to 458,343.20, 632,508.97 and 254,395.88

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Solution

The fourth proportional to 458,343.20, 632,508.97 and 254,395.88 is: 351,063.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,343.20 : 632,508.97 = 254,395.88 : x
  2. Step 2: Convert to fraction form
    458,343.20/632,508.97 = 254,395.88/x
  3. Step 3: Cross multiply
    458,343.20x = 632,508.97 × 254,395.88
  4. Step 4: Simplify right side
    458,343.20x = 160,907,671,596.52
  5. Step 5: Solve for x
    x = 160,907,671,596.52/458,343.20
  6. Step 6: Final answer
    x = 351,063.73

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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.