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Finding the Fourth Proportional to 460,679.39, 691,117.49 and 161,169.74

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Solution

The fourth proportional to 460,679.39, 691,117.49 and 161,169.74 is: 241,789.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,679.39 : 691,117.49 = 161,169.74 : x
  2. Step 2: Convert to fraction form
    460,679.39/691,117.49 = 161,169.74/x
  3. Step 3: Cross multiply
    460,679.39x = 691,117.49 × 161,169.74
  4. Step 4: Simplify right side
    460,679.39x = 111,387,224,805.20
  5. Step 5: Solve for x
    x = 111,387,224,805.20/460,679.39
  6. Step 6: Final answer
    x = 241,789.03

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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.