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Finding the Fourth Proportional to 365,175.20, 547,412.88 and 154,523.36

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Solution

The fourth proportional to 365,175.20, 547,412.88 and 154,523.36 is: 231,636.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,175.20 : 547,412.88 = 154,523.36 : x
  2. Step 2: Convert to fraction form
    365,175.20/547,412.88 = 154,523.36/x
  3. Step 3: Cross multiply
    365,175.20x = 547,412.88 × 154,523.36
  4. Step 4: Simplify right side
    365,175.20x = 84,588,077,524.88
  5. Step 5: Solve for x
    x = 84,588,077,524.88/365,175.20
  6. Step 6: Final answer
    x = 231,636.97

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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.