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Finding the Fourth Proportional to 357,634.44, 536,452.38 and 133,044.12

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Solution

The fourth proportional to 357,634.44, 536,452.38 and 133,044.12 is: 199,566.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,634.44 : 536,452.38 = 133,044.12 : x
  2. Step 2: Convert to fraction form
    357,634.44/536,452.38 = 133,044.12/x
  3. Step 3: Cross multiply
    357,634.44x = 536,452.38 × 133,044.12
  4. Step 4: Simplify right side
    357,634.44x = 71,371,834,819.01
  5. Step 5: Solve for x
    x = 71,371,834,819.01/357,634.44
  6. Step 6: Final answer
    x = 199,566.45

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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.