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Finding the Fourth Proportional to 505,697.41, 758,292.15 and 168,618.73

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Solution

The fourth proportional to 505,697.41, 758,292.15 and 168,618.73 is: 252,843.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,697.41 : 758,292.15 = 168,618.73 : x
  2. Step 2: Convert to fraction form
    505,697.41/758,292.15 = 168,618.73/x
  3. Step 3: Cross multiply
    505,697.41x = 758,292.15 × 168,618.73
  4. Step 4: Simplify right side
    505,697.41x = 127,862,259,301.97
  5. Step 5: Solve for x
    x = 127,862,259,301.97/505,697.41
  6. Step 6: Final answer
    x = 252,843.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.