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Finding the Fourth Proportional to 976,593.12, 1,463,418.54 and 870,167.64

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Solution

The fourth proportional to 976,593.12, 1,463,418.54 and 870,167.64 is: 1,303,940.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,593.12 : 1,463,418.54 = 870,167.64 : x
  2. Step 2: Convert to fraction form
    976,593.12/1,463,418.54 = 870,167.64/x
  3. Step 3: Cross multiply
    976,593.12x = 1,463,418.54 × 870,167.64
  4. Step 4: Simplify right side
    976,593.12x = 1,273,419,457,284.05
  5. Step 5: Solve for x
    x = 1,273,419,457,284.05/976,593.12
  6. Step 6: Final answer
    x = 1,303,940.64

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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.