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Finding the Fourth Proportional to 355,266.74, 490,268.24 and 191,923.31

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Solution

The fourth proportional to 355,266.74, 490,268.24 and 191,923.31 is: 264,854.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,266.74 : 490,268.24 = 191,923.31 : x
  2. Step 2: Convert to fraction form
    355,266.74/490,268.24 = 191,923.31/x
  3. Step 3: Cross multiply
    355,266.74x = 490,268.24 × 191,923.31
  4. Step 4: Simplify right side
    355,266.74x = 94,093,899,997.72
  5. Step 5: Solve for x
    x = 94,093,899,997.72/355,266.74
  6. Step 6: Final answer
    x = 264,854.24

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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.