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Finding the Fourth Proportional to 659,794.05, 910,490.97 and 373,320.33

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Solution

The fourth proportional to 659,794.05, 910,490.97 and 373,320.33 is: 515,168.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,794.05 : 910,490.97 = 373,320.33 : x
  2. Step 2: Convert to fraction form
    659,794.05/910,490.97 = 373,320.33/x
  3. Step 3: Cross multiply
    659,794.05x = 910,490.97 × 373,320.33
  4. Step 4: Simplify right side
    659,794.05x = 339,904,789,382.42
  5. Step 5: Solve for x
    x = 339,904,789,382.42/659,794.05
  6. Step 6: Final answer
    x = 515,168.01

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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.