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Finding the Fourth Proportional to 325,820.60, 488,611 and 112,534.24

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Solution

The fourth proportional to 325,820.60, 488,611 and 112,534.24 is: 168,759.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,820.60 : 488,611 = 112,534.24 : x
  2. Step 2: Convert to fraction form
    325,820.60/488,611 = 112,534.24/x
  3. Step 3: Cross multiply
    325,820.60x = 488,611 × 112,534.24
  4. Step 4: Simplify right side
    325,820.60x = 54,985,467,540.64
  5. Step 5: Solve for x
    x = 54,985,467,540.64/325,820.60
  6. Step 6: Final answer
    x = 168,759.95

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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.