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Finding the Fourth Proportional to 458,099.21, 632,252.79 and 254,215.61

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Solution

The fourth proportional to 458,099.21, 632,252.79 and 254,215.61 is: 350,859.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,099.21 : 632,252.79 = 254,215.61 : x
  2. Step 2: Convert to fraction form
    458,099.21/632,252.79 = 254,215.61/x
  3. Step 3: Cross multiply
    458,099.21x = 632,252.79 × 254,215.61
  4. Step 4: Simplify right side
    458,099.21x = 160,728,529,629.15
  5. Step 5: Solve for x
    x = 160,728,529,629.15/458,099.21
  6. Step 6: Final answer
    x = 350,859.66

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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.