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Finding the Fourth Proportional to 458,672.44, 632,983.96 and 254,726.76

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Solution

The fourth proportional to 458,672.44, 632,983.96 and 254,726.76 is: 351,531.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,672.44 : 632,983.96 = 254,726.76 : x
  2. Step 2: Convert to fraction form
    458,672.44/632,983.96 = 254,726.76/x
  3. Step 3: Cross multiply
    458,672.44x = 632,983.96 × 254,726.76
  4. Step 4: Simplify right side
    458,672.44x = 161,237,950,097.85
  5. Step 5: Solve for x
    x = 161,237,950,097.85/458,672.44
  6. Step 6: Final answer
    x = 351,531.80

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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.