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Finding the Fourth Proportional to 366,918.78, 550,378.17 and 366,918.78

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Solution

The fourth proportional to 366,918.78, 550,378.17 and 366,918.78 is: 550,378.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,918.78 : 550,378.17 = 366,918.78 : x
  2. Step 2: Convert to fraction form
    366,918.78/550,378.17 = 366,918.78/x
  3. Step 3: Cross multiply
    366,918.78x = 550,378.17 × 366,918.78
  4. Step 4: Simplify right side
    366,918.78x = 201,944,086,675.03
  5. Step 5: Solve for x
    x = 201,944,086,675.03/366,918.78
  6. Step 6: Final answer
    x = 550,378.17

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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.