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Finding the Fourth Proportional to 500,796.48, 750,682.08 and 220,261.44

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Solution

The fourth proportional to 500,796.48, 750,682.08 and 220,261.44 is: 330,166.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,796.48 : 750,682.08 = 220,261.44 : x
  2. Step 2: Convert to fraction form
    500,796.48/750,682.08 = 220,261.44/x
  3. Step 3: Cross multiply
    500,796.48x = 750,682.08 × 220,261.44
  4. Step 4: Simplify right side
    500,796.48x = 165,346,315,923.00
  5. Step 5: Solve for x
    x = 165,346,315,923.00/500,796.48
  6. Step 6: Final answer
    x = 330,166.69

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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.