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Finding the Fourth Proportional to 458,015.92, 632,137.77 and 254,132.53

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Solution

The fourth proportional to 458,015.92, 632,137.77 and 254,132.53 is: 350,744.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,015.92 : 632,137.77 = 254,132.53 : x
  2. Step 2: Convert to fraction form
    458,015.92/632,137.77 = 254,132.53/x
  3. Step 3: Cross multiply
    458,015.92x = 632,137.77 × 254,132.53
  4. Step 4: Simplify right side
    458,015.92x = 160,646,769,381.14
  5. Step 5: Solve for x
    x = 160,646,769,381.14/458,015.92
  6. Step 6: Final answer
    x = 350,744.94

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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.