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Finding the Fourth Proportional to 569,172.40, 853,175.40 and 332,393.20

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Solution

The fourth proportional to 569,172.40, 853,175.40 and 332,393.20 is: 498,249.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,172.40 : 853,175.40 = 332,393.20 : x
  2. Step 2: Convert to fraction form
    569,172.40/853,175.40 = 332,393.20/x
  3. Step 3: Cross multiply
    569,172.40x = 853,175.40 × 332,393.20
  4. Step 4: Simplify right side
    569,172.40x = 283,589,701,367.28
  5. Step 5: Solve for x
    x = 283,589,701,367.28/569,172.40
  6. Step 6: Final answer
    x = 498,249.21

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Double scale
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Similar ratio
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1.5x scale

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.