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Finding the Fourth Proportional to 325,612.20, 488,418.30 and 246,880.20

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Solution

The fourth proportional to 325,612.20, 488,418.30 and 246,880.20 is: 370,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,612.20 : 488,418.30 = 246,880.20 : x
  2. Step 2: Convert to fraction form
    325,612.20/488,418.30 = 246,880.20/x
  3. Step 3: Cross multiply
    325,612.20x = 488,418.30 × 246,880.20
  4. Step 4: Simplify right side
    325,612.20x = 120,580,807,587.66
  5. Step 5: Solve for x
    x = 120,580,807,587.66/325,612.20
  6. Step 6: Final answer
    x = 370,320.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.