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Finding the Fourth Proportional to 505,297.52, 757,692.03 and 168,217.94

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Solution

The fourth proportional to 505,297.52, 757,692.03 and 168,217.94 is: 252,242.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,297.52 : 757,692.03 = 168,217.94 : x
  2. Step 2: Convert to fraction form
    505,297.52/757,692.03 = 168,217.94/x
  3. Step 3: Cross multiply
    505,297.52x = 757,692.03 × 168,217.94
  4. Step 4: Simplify right side
    505,297.52x = 127,457,392,441.02
  5. Step 5: Solve for x
    x = 127,457,392,441.02/505,297.52
  6. Step 6: Final answer
    x = 252,242.27

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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.