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Finding the Fourth Proportional to 325,645.48, 449,388.12 and 182,406.88

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Solution

The fourth proportional to 325,645.48, 449,388.12 and 182,406.88 is: 251,720.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,645.48 : 449,388.12 = 182,406.88 : x
  2. Step 2: Convert to fraction form
    325,645.48/449,388.12 = 182,406.88/x
  3. Step 3: Cross multiply
    325,645.48x = 449,388.12 × 182,406.88
  4. Step 4: Simplify right side
    325,645.48x = 81,971,484,878.27
  5. Step 5: Solve for x
    x = 81,971,484,878.27/325,645.48
  6. Step 6: Final answer
    x = 251,720.01

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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.