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Finding the Fourth Proportional to 436,216.10, 654,324.24 and 136,696.62

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Solution

The fourth proportional to 436,216.10, 654,324.24 and 136,696.62 is: 205,044.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,216.10 : 654,324.24 = 136,696.62 : x
  2. Step 2: Convert to fraction form
    436,216.10/654,324.24 = 136,696.62/x
  3. Step 3: Cross multiply
    436,216.10x = 654,324.24 × 136,696.62
  4. Step 4: Simplify right side
    436,216.10x = 89,443,911,992.07
  5. Step 5: Solve for x
    x = 89,443,911,992.07/436,216.10
  6. Step 6: Final answer
    x = 205,044.96

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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.