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Finding the Fourth Proportional to 568,985.88, 853,362.96 and 209,033.01

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Solution

The fourth proportional to 568,985.88, 853,362.96 and 209,033.01 is: 313,506.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,985.88 : 853,362.96 = 209,033.01 : x
  2. Step 2: Convert to fraction form
    568,985.88/853,362.96 = 209,033.01/x
  3. Step 3: Cross multiply
    568,985.88x = 853,362.96 × 209,033.01
  4. Step 4: Simplify right side
    568,985.88x = 178,381,028,151.31
  5. Step 5: Solve for x
    x = 178,381,028,151.31/568,985.88
  6. Step 6: Final answer
    x = 313,506.95

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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.