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Finding the Fourth Proportional to 959,494, 1,324,218.36 and 557,086

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Solution

The fourth proportional to 959,494, 1,324,218.36 and 557,086 is: 768,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,494 : 1,324,218.36 = 557,086 : x
  2. Step 2: Convert to fraction form
    959,494/1,324,218.36 = 557,086/x
  3. Step 3: Cross multiply
    959,494x = 1,324,218.36 × 557,086
  4. Step 4: Simplify right side
    959,494x = 737,703,509,298.96
  5. Step 5: Solve for x
    x = 737,703,509,298.96/959,494
  6. Step 6: Final answer
    x = 768,846.40

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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.