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Finding the Fourth Proportional to 695,906.64, 960,813.78 and 534,473.28

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Solution

The fourth proportional to 695,906.64, 960,813.78 and 534,473.28 is: 737,928.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,906.64 : 960,813.78 = 534,473.28 : x
  2. Step 2: Convert to fraction form
    695,906.64/960,813.78 = 534,473.28/x
  3. Step 3: Cross multiply
    695,906.64x = 960,813.78 × 534,473.28
  4. Step 4: Simplify right side
    695,906.64x = 513,529,292,465.80
  5. Step 5: Solve for x
    x = 513,529,292,465.80/695,906.64
  6. Step 6: Final answer
    x = 737,928.43

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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.