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Finding the Fourth Proportional to 458,626.60, 632,883.42 and 254,690.48

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Solution

The fourth proportional to 458,626.60, 632,883.42 and 254,690.48 is: 351,461.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,626.60 : 632,883.42 = 254,690.48 : x
  2. Step 2: Convert to fraction form
    458,626.60/632,883.42 = 254,690.48/x
  3. Step 3: Cross multiply
    458,626.60x = 632,883.42 × 254,690.48
  4. Step 4: Simplify right side
    458,626.60x = 161,189,382,023.84
  5. Step 5: Solve for x
    x = 161,189,382,023.84/458,626.60
  6. Step 6: Final answer
    x = 351,461.04

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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.