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Finding the Fourth Proportional to 568,955.60, 853,692.60 and 269,320.40

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Solution

The fourth proportional to 568,955.60, 853,692.60 and 269,320.40 is: 404,103.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,955.60 : 853,692.60 = 269,320.40 : x
  2. Step 2: Convert to fraction form
    568,955.60/853,692.60 = 269,320.40/x
  3. Step 3: Cross multiply
    568,955.60x = 853,692.60 × 269,320.40
  4. Step 4: Simplify right side
    568,955.60x = 229,916,832,509.04
  5. Step 5: Solve for x
    x = 229,916,832,509.04/568,955.60
  6. Step 6: Final answer
    x = 404,103.29

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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.