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Finding the Fourth Proportional to 458,481.75, 632,675.66 and 254,536.71

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Solution

The fourth proportional to 458,481.75, 632,675.66 and 254,536.71 is: 351,244.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,481.75 : 632,675.66 = 254,536.71 : x
  2. Step 2: Convert to fraction form
    458,481.75/632,675.66 = 254,536.71/x
  3. Step 3: Cross multiply
    458,481.75x = 632,675.66 × 254,536.71
  4. Step 4: Simplify right side
    458,481.75x = 161,039,179,720.80
  5. Step 5: Solve for x
    x = 161,039,179,720.80/458,481.75
  6. Step 6: Final answer
    x = 351,244.47

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1.5x scale

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.