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Finding the Fourth Proportional to 458,814.96, 633,143.22 and 254,879.10

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Solution

The fourth proportional to 458,814.96, 633,143.22 and 254,879.10 is: 351,721.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,814.96 : 633,143.22 = 254,879.10 : x
  2. Step 2: Convert to fraction form
    458,814.96/633,143.22 = 254,879.10/x
  3. Step 3: Cross multiply
    458,814.96x = 633,143.22 × 254,879.10
  4. Step 4: Simplify right side
    458,814.96x = 161,374,974,084.70
  5. Step 5: Solve for x
    x = 161,374,974,084.70/458,814.96
  6. Step 6: Final answer
    x = 351,721.26

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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.