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Finding the Fourth Proportional to 352,274.33, 528,100.45 and 269,537.69

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Solution

The fourth proportional to 352,274.33, 528,100.45 and 269,537.69 is: 404,068.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,274.33 : 528,100.45 = 269,537.69 : x
  2. Step 2: Convert to fraction form
    352,274.33/528,100.45 = 269,537.69/x
  3. Step 3: Cross multiply
    352,274.33x = 528,100.45 × 269,537.69
  4. Step 4: Simplify right side
    352,274.33x = 142,342,975,380.96
  5. Step 5: Solve for x
    x = 142,342,975,380.96/352,274.33
  6. Step 6: Final answer
    x = 404,068.54

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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.