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Finding the Fourth Proportional to 413,268.38, 620,141.72 and 173,360.79

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Solution

The fourth proportional to 413,268.38, 620,141.72 and 173,360.79 is: 260,141.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,268.38 : 620,141.72 = 173,360.79 : x
  2. Step 2: Convert to fraction form
    413,268.38/620,141.72 = 173,360.79/x
  3. Step 3: Cross multiply
    413,268.38x = 620,141.72 × 173,360.79
  4. Step 4: Simplify right side
    413,268.38x = 107,508,257,624.36
  5. Step 5: Solve for x
    x = 107,508,257,624.36/413,268.38
  6. Step 6: Final answer
    x = 260,141.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.