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Finding the Fourth Proportional to 325,984.68, 488,877.48 and 225,429.12

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Solution

The fourth proportional to 325,984.68, 488,877.48 and 225,429.12 is: 338,074.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,984.68 : 488,877.48 = 225,429.12 : x
  2. Step 2: Convert to fraction form
    325,984.68/488,877.48 = 225,429.12/x
  3. Step 3: Cross multiply
    325,984.68x = 488,877.48 × 225,429.12
  4. Step 4: Simplify right side
    325,984.68x = 110,207,220,104.22
  5. Step 5: Solve for x
    x = 110,207,220,104.22/325,984.68
  6. Step 6: Final answer
    x = 338,074.84

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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.