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Finding the Fourth Proportional to 458,581.26, 632,833.26 and 254,621.64

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Solution

The fourth proportional to 458,581.26, 632,833.26 and 254,621.64 is: 351,372.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,581.26 : 632,833.26 = 254,621.64 : x
  2. Step 2: Convert to fraction form
    458,581.26/632,833.26 = 254,621.64/x
  3. Step 3: Cross multiply
    458,581.26x = 632,833.26 × 254,621.64
  4. Step 4: Simplify right side
    458,581.26x = 161,133,042,507.75
  5. Step 5: Solve for x
    x = 161,133,042,507.75/458,581.26
  6. Step 6: Final answer
    x = 351,372.93

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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.