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Finding the Fourth Proportional to 325,610.40, 488,415.60 and 88,944.60

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Solution

The fourth proportional to 325,610.40, 488,415.60 and 88,944.60 is: 133,416.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,610.40 : 488,415.60 = 88,944.60 : x
  2. Step 2: Convert to fraction form
    325,610.40/488,415.60 = 88,944.60/x
  3. Step 3: Cross multiply
    325,610.40x = 488,415.60 × 88,944.60
  4. Step 4: Simplify right side
    325,610.40x = 43,441,930,175.76
  5. Step 5: Solve for x
    x = 43,441,930,175.76/325,610.40
  6. Step 6: Final answer
    x = 133,416.90

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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.