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Finding the Fourth Proportional to 694,874, 1,041,844.44 and 320,692.88

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Solution

The fourth proportional to 694,874, 1,041,844.44 and 320,692.88 is: 480,824.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,874 : 1,041,844.44 = 320,692.88 : x
  2. Step 2: Convert to fraction form
    694,874/1,041,844.44 = 320,692.88/x
  3. Step 3: Cross multiply
    694,874x = 1,041,844.44 × 320,692.88
  4. Step 4: Simplify right side
    694,874x = 334,112,093,975.59
  5. Step 5: Solve for x
    x = 334,112,093,975.59/694,874
  6. Step 6: Final answer
    x = 480,824.00

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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.