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Finding the Fourth Proportional to 568,738.40, 853,107.60 and 288,802.40

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Solution

The fourth proportional to 568,738.40, 853,107.60 and 288,802.40 is: 433,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,738.40 : 853,107.60 = 288,802.40 : x
  2. Step 2: Convert to fraction form
    568,738.40/853,107.60 = 288,802.40/x
  3. Step 3: Cross multiply
    568,738.40x = 853,107.60 × 288,802.40
  4. Step 4: Simplify right side
    568,738.40x = 246,379,522,338.24
  5. Step 5: Solve for x
    x = 246,379,522,338.24/568,738.40
  6. Step 6: Final answer
    x = 433,203.60

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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.