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Finding the Fourth Proportional to 488,343.39, 733,640.78 and 468,165.75

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Solution

The fourth proportional to 488,343.39, 733,640.78 and 468,165.75 is: 703,327.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,343.39 : 733,640.78 = 468,165.75 : x
  2. Step 2: Convert to fraction form
    488,343.39/733,640.78 = 468,165.75/x
  3. Step 3: Cross multiply
    488,343.39x = 733,640.78 × 468,165.75
  4. Step 4: Simplify right side
    488,343.39x = 343,465,485,999.29
  5. Step 5: Solve for x
    x = 343,465,485,999.29/488,343.39
  6. Step 6: Final answer
    x = 703,327.81

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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.