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Finding the Fourth Proportional to 458,646.30, 632,919.83 and 254,690.73

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Solution

The fourth proportional to 458,646.30, 632,919.83 and 254,690.73 is: 351,466.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,646.30 : 632,919.83 = 254,690.73 : x
  2. Step 2: Convert to fraction form
    458,646.30/632,919.83 = 254,690.73/x
  3. Step 3: Cross multiply
    458,646.30x = 632,919.83 × 254,690.73
  4. Step 4: Simplify right side
    458,646.30x = 161,198,812,260.72
  5. Step 5: Solve for x
    x = 161,198,812,260.72/458,646.30
  6. Step 6: Final answer
    x = 351,466.51

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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.