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Finding the Fourth Proportional to 458,629.60, 632,887.56 and 254,693.48

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Solution

The fourth proportional to 458,629.60, 632,887.56 and 254,693.48 is: 351,465.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,629.60 : 632,887.56 = 254,693.48 : x
  2. Step 2: Convert to fraction form
    458,629.60/632,887.56 = 254,693.48/x
  3. Step 3: Cross multiply
    458,629.60x = 632,887.56 × 254,693.48
  4. Step 4: Simplify right side
    458,629.60x = 161,192,335,105.11
  5. Step 5: Solve for x
    x = 161,192,335,105.11/458,629.60
  6. Step 6: Final answer
    x = 351,465.18

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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.