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Finding the Fourth Proportional to 816,097.20, 1,143,469.20 and 816,097.20

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Solution

The fourth proportional to 816,097.20, 1,143,469.20 and 816,097.20 is: 1,143,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,097.20 : 1,143,469.20 = 816,097.20 : x
  2. Step 2: Convert to fraction form
    816,097.20/1,143,469.20 = 816,097.20/x
  3. Step 3: Cross multiply
    816,097.20x = 1,143,469.20 × 816,097.20
  4. Step 4: Simplify right side
    816,097.20x = 933,182,012,406.24
  5. Step 5: Solve for x
    x = 933,182,012,406.24/816,097.20
  6. Step 6: Final answer
    x = 1,143,469.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.