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Finding the Fourth Proportional to 569,112.20, 853,668.30 and 303,391.70

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Solution

The fourth proportional to 569,112.20, 853,668.30 and 303,391.70 is: 455,087.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,112.20 : 853,668.30 = 303,391.70 : x
  2. Step 2: Convert to fraction form
    569,112.20/853,668.30 = 303,391.70/x
  3. Step 3: Cross multiply
    569,112.20x = 853,668.30 × 303,391.70
  4. Step 4: Simplify right side
    569,112.20x = 258,995,876,773.11
  5. Step 5: Solve for x
    x = 258,995,876,773.11/569,112.20
  6. Step 6: Final answer
    x = 455,087.55

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Similar ratio
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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.