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Finding the Fourth Proportional to 538,182.72, 807,244 and 164,176.32

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Solution

The fourth proportional to 538,182.72, 807,244 and 164,176.32 is: 246,255.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,182.72 : 807,244 = 164,176.32 : x
  2. Step 2: Convert to fraction form
    538,182.72/807,244 = 164,176.32/x
  3. Step 3: Cross multiply
    538,182.72x = 807,244 × 164,176.32
  4. Step 4: Simplify right side
    538,182.72x = 132,530,349,262.08
  5. Step 5: Solve for x
    x = 132,530,349,262.08/538,182.72
  6. Step 6: Final answer
    x = 246,255.30

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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.