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Finding the Fourth Proportional to 497,767.20, 746,650.80 and 165,343.20

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Solution

The fourth proportional to 497,767.20, 746,650.80 and 165,343.20 is: 248,014.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,767.20 : 746,650.80 = 165,343.20 : x
  2. Step 2: Convert to fraction form
    497,767.20/746,650.80 = 165,343.20/x
  3. Step 3: Cross multiply
    497,767.20x = 746,650.80 × 165,343.20
  4. Step 4: Simplify right side
    497,767.20x = 123,453,632,554.56
  5. Step 5: Solve for x
    x = 123,453,632,554.56/497,767.20
  6. Step 6: Final answer
    x = 248,014.80

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Similar ratio
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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.