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Finding the Fourth Proportional to 505,294.26, 757,687.16 and 168,214.69

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Solution

The fourth proportional to 505,294.26, 757,687.16 and 168,214.69 is: 252,237.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,294.26 : 757,687.16 = 168,214.69 : x
  2. Step 2: Convert to fraction form
    505,294.26/757,687.16 = 168,214.69/x
  3. Step 3: Cross multiply
    505,294.26x = 757,687.16 × 168,214.69
  4. Step 4: Simplify right side
    505,294.26x = 127,454,106,106.87
  5. Step 5: Solve for x
    x = 127,454,106,106.87/505,294.26
  6. Step 6: Final answer
    x = 252,237.39

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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.