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Finding the Fourth Proportional to 325,367.76, 488,049.89 and 217,068.06

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Solution

The fourth proportional to 325,367.76, 488,049.89 and 217,068.06 is: 325,600.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,367.76 : 488,049.89 = 217,068.06 : x
  2. Step 2: Convert to fraction form
    325,367.76/488,049.89 = 217,068.06/x
  3. Step 3: Cross multiply
    325,367.76x = 488,049.89 × 217,068.06
  4. Step 4: Simplify right side
    325,367.76x = 105,940,041,720.17
  5. Step 5: Solve for x
    x = 105,940,041,720.17/325,367.76
  6. Step 6: Final answer
    x = 325,600.92

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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.