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Finding the Fourth Proportional to 659,614.46, 910,268.25 and 373,128.44

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Solution

The fourth proportional to 659,614.46, 910,268.25 and 373,128.44 is: 514,917.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,614.46 : 910,268.25 = 373,128.44 : x
  2. Step 2: Convert to fraction form
    659,614.46/910,268.25 = 373,128.44/x
  3. Step 3: Cross multiply
    659,614.46x = 910,268.25 × 373,128.44
  4. Step 4: Simplify right side
    659,614.46x = 339,646,972,104.03
  5. Step 5: Solve for x
    x = 339,646,972,104.03/659,614.46
  6. Step 6: Final answer
    x = 514,917.41

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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.