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Finding the Fourth Proportional to 568,607.11, 853,322.19 and 222,441.65

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Solution

The fourth proportional to 568,607.11, 853,322.19 and 222,441.65 is: 333,823.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,607.11 : 853,322.19 = 222,441.65 : x
  2. Step 2: Convert to fraction form
    568,607.11/853,322.19 = 222,441.65/x
  3. Step 3: Cross multiply
    568,607.11x = 853,322.19 × 222,441.65
  4. Step 4: Simplify right side
    568,607.11x = 189,814,395,925.21
  5. Step 5: Solve for x
    x = 189,814,395,925.21/568,607.11
  6. Step 6: Final answer
    x = 333,823.47

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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.