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Finding the Fourth Proportional to 326,906.64, 451,128.08 and 181,708.62

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Solution

The fourth proportional to 326,906.64, 451,128.08 and 181,708.62 is: 250,756.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,906.64 : 451,128.08 = 181,708.62 : x
  2. Step 2: Convert to fraction form
    326,906.64/451,128.08 = 181,708.62/x
  3. Step 3: Cross multiply
    326,906.64x = 451,128.08 × 181,708.62
  4. Step 4: Simplify right side
    326,906.64x = 81,973,860,860.05
  5. Step 5: Solve for x
    x = 81,973,860,860.05/326,906.64
  6. Step 6: Final answer
    x = 250,756.18

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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.