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Finding the Fourth Proportional to 458,198.90, 632,317.86 and 254,250.62

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Solution

The fourth proportional to 458,198.90, 632,317.86 and 254,250.62 is: 350,867.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,198.90 : 632,317.86 = 254,250.62 : x
  2. Step 2: Convert to fraction form
    458,198.90/632,317.86 = 254,250.62/x
  3. Step 3: Cross multiply
    458,198.90x = 632,317.86 × 254,250.62
  4. Step 4: Simplify right side
    458,198.90x = 160,767,207,942.07
  5. Step 5: Solve for x
    x = 160,767,207,942.07/458,198.90
  6. Step 6: Final answer
    x = 350,867.73

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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.