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Finding the Fourth Proportional to 536,739.52, 804,798.18 and 220,839.52

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Solution

The fourth proportional to 536,739.52, 804,798.18 and 220,839.52 is: 331,131.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,739.52 : 804,798.18 = 220,839.52 : x
  2. Step 2: Convert to fraction form
    536,739.52/804,798.18 = 220,839.52/x
  3. Step 3: Cross multiply
    536,739.52x = 804,798.18 × 220,839.52
  4. Step 4: Simplify right side
    536,739.52x = 177,731,243,768.07
  5. Step 5: Solve for x
    x = 177,731,243,768.07/536,739.52
  6. Step 6: Final answer
    x = 331,131.28

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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.