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Finding the Fourth Proportional to 568,624.80, 853,348.72 and 222,459.28

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Solution

The fourth proportional to 568,624.80, 853,348.72 and 222,459.28 is: 333,849.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,624.80 : 853,348.72 = 222,459.28 : x
  2. Step 2: Convert to fraction form
    568,624.80/853,348.72 = 222,459.28/x
  3. Step 3: Cross multiply
    568,624.80x = 853,348.72 × 222,459.28
  4. Step 4: Simplify right side
    568,624.80x = 189,835,341,840.12
  5. Step 5: Solve for x
    x = 189,835,341,840.12/568,624.80
  6. Step 6: Final answer
    x = 333,849.92

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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.