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Finding the Fourth Proportional to 568,908.24, 853,395.10 and 213,925.32

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Solution

The fourth proportional to 568,908.24, 853,395.10 and 213,925.32 is: 320,900.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,908.24 : 853,395.10 = 213,925.32 : x
  2. Step 2: Convert to fraction form
    568,908.24/853,395.10 = 213,925.32/x
  3. Step 3: Cross multiply
    568,908.24x = 853,395.10 × 213,925.32
  4. Step 4: Simplify right side
    568,908.24x = 182,562,819,853.93
  5. Step 5: Solve for x
    x = 182,562,819,853.93/568,908.24
  6. Step 6: Final answer
    x = 320,900.29

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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.