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Finding the Fourth Proportional to 436,198.22, 654,328.44 and 116,348.28

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Solution

The fourth proportional to 436,198.22, 654,328.44 and 116,348.28 is: 174,530.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,198.22 : 654,328.44 = 116,348.28 : x
  2. Step 2: Convert to fraction form
    436,198.22/654,328.44 = 116,348.28/x
  3. Step 3: Cross multiply
    436,198.22x = 654,328.44 × 116,348.28
  4. Step 4: Simplify right side
    436,198.22x = 76,129,988,549.08
  5. Step 5: Solve for x
    x = 76,129,988,549.08/436,198.22
  6. Step 6: Final answer
    x = 174,530.72

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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.