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Finding the Fourth Proportional to 352,698.34, 528,912.13 and 150,166.04

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Solution

The fourth proportional to 352,698.34, 528,912.13 and 150,166.04 is: 225,191.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,698.34 : 528,912.13 = 150,166.04 : x
  2. Step 2: Convert to fraction form
    352,698.34/528,912.13 = 150,166.04/x
  3. Step 3: Cross multiply
    352,698.34x = 528,912.13 × 150,166.04
  4. Step 4: Simplify right side
    352,698.34x = 79,424,640,070.07
  5. Step 5: Solve for x
    x = 79,424,640,070.07/352,698.34
  6. Step 6: Final answer
    x = 225,191.42

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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.