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Finding the Fourth Proportional to 694,756.62, 959,218.74 and 534,449.52

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Solution

The fourth proportional to 694,756.62, 959,218.74 and 534,449.52 is: 737,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,756.62 : 959,218.74 = 534,449.52 : x
  2. Step 2: Convert to fraction form
    694,756.62/959,218.74 = 534,449.52/x
  3. Step 3: Cross multiply
    694,756.62x = 959,218.74 × 534,449.52
  4. Step 4: Simplify right side
    694,756.62x = 512,653,995,168.01
  5. Step 5: Solve for x
    x = 512,653,995,168.01/694,756.62
  6. Step 6: Final answer
    x = 737,890.05

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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.