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Finding the Fourth Proportional to 843,469.36, 1,163,958.77 and 481,009.88

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Solution

The fourth proportional to 843,469.36, 1,163,958.77 and 481,009.88 is: 663,777.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,469.36 : 1,163,958.77 = 481,009.88 : x
  2. Step 2: Convert to fraction form
    843,469.36/1,163,958.77 = 481,009.88/x
  3. Step 3: Cross multiply
    843,469.36x = 1,163,958.77 × 481,009.88
  4. Step 4: Simplify right side
    843,469.36x = 559,875,662,967.70
  5. Step 5: Solve for x
    x = 559,875,662,967.70/843,469.36
  6. Step 6: Final answer
    x = 663,777.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.