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Finding the Fourth Proportional to 325,736.20, 488,604.30 and 325,736.20

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Solution

The fourth proportional to 325,736.20, 488,604.30 and 325,736.20 is: 488,604.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,736.20 : 488,604.30 = 325,736.20 : x
  2. Step 2: Convert to fraction form
    325,736.20/488,604.30 = 325,736.20/x
  3. Step 3: Cross multiply
    325,736.20x = 488,604.30 × 325,736.20
  4. Step 4: Simplify right side
    325,736.20x = 159,156,107,985.66
  5. Step 5: Solve for x
    x = 159,156,107,985.66/325,736.20
  6. Step 6: Final answer
    x = 488,604.30

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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.