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Finding the Fourth Proportional to 458,630.60, 632,888.94 and 254,694.48

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Solution

The fourth proportional to 458,630.60, 632,888.94 and 254,694.48 is: 351,466.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,630.60 : 632,888.94 = 254,694.48 : x
  2. Step 2: Convert to fraction form
    458,630.60/632,888.94 = 254,694.48/x
  3. Step 3: Cross multiply
    458,630.60x = 632,888.94 × 254,694.48
  4. Step 4: Simplify right side
    458,630.60x = 161,193,319,471.05
  5. Step 5: Solve for x
    x = 161,193,319,471.05/458,630.60
  6. Step 6: Final answer
    x = 351,466.56

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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.