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Finding the Fourth Proportional to 352,182.94, 528,274.41 and 165,194.44

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Solution

The fourth proportional to 352,182.94, 528,274.41 and 165,194.44 is: 247,791.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,182.94 : 528,274.41 = 165,194.44 : x
  2. Step 2: Convert to fraction form
    352,182.94/528,274.41 = 165,194.44/x
  3. Step 3: Cross multiply
    352,182.94x = 528,274.41 × 165,194.44
  4. Step 4: Simplify right side
    352,182.94x = 87,267,993,386.12
  5. Step 5: Solve for x
    x = 87,267,993,386.12/352,182.94
  6. Step 6: Final answer
    x = 247,791.66

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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.