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Finding the Fourth Proportional to 325,795.46, 488,352.03 and 136,364.30

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Solution

The fourth proportional to 325,795.46, 488,352.03 and 136,364.30 is: 204,403.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,795.46 : 488,352.03 = 136,364.30 : x
  2. Step 2: Convert to fraction form
    325,795.46/488,352.03 = 136,364.30/x
  3. Step 3: Cross multiply
    325,795.46x = 488,352.03 × 136,364.30
  4. Step 4: Simplify right side
    325,795.46x = 66,593,782,724.53
  5. Step 5: Solve for x
    x = 66,593,782,724.53/325,795.46
  6. Step 6: Final answer
    x = 204,403.65

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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.