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Finding the Fourth Proportional to 505,463.00, 757,940.97 and 168,385.14

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Solution

The fourth proportional to 505,463.00, 757,940.97 and 168,385.14 is: 252,493.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,463.00 : 757,940.97 = 168,385.14 : x
  2. Step 2: Convert to fraction form
    505,463.00/757,940.97 = 168,385.14/x
  3. Step 3: Cross multiply
    505,463.00x = 757,940.97 × 168,385.14
  4. Step 4: Simplify right side
    505,463.00x = 127,625,997,398.11
  5. Step 5: Solve for x
    x = 127,625,997,398.11/505,463.00
  6. Step 6: Final answer
    x = 252,493.25

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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.