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Finding the Fourth Proportional to 458,247.25, 632,388.08 and 254,311.38

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Solution

The fourth proportional to 458,247.25, 632,388.08 and 254,311.38 is: 350,953.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,247.25 : 632,388.08 = 254,311.38 : x
  2. Step 2: Convert to fraction form
    458,247.25/632,388.08 = 254,311.38/x
  3. Step 3: Cross multiply
    458,247.25x = 632,388.08 × 254,311.38
  4. Step 4: Simplify right side
    458,247.25x = 160,823,483,816.73
  5. Step 5: Solve for x
    x = 160,823,483,816.73/458,247.25
  6. Step 6: Final answer
    x = 350,953.52

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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.