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Finding the Fourth Proportional to 568,647.30, 853,155.51 and 169,291.53

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Solution

The fourth proportional to 568,647.30, 853,155.51 and 169,291.53 is: 253,992.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,647.30 : 853,155.51 = 169,291.53 : x
  2. Step 2: Convert to fraction form
    568,647.30/853,155.51 = 169,291.53/x
  3. Step 3: Cross multiply
    568,647.30x = 853,155.51 × 169,291.53
  4. Step 4: Simplify right side
    568,647.30x = 144,432,000,980.99
  5. Step 5: Solve for x
    x = 144,432,000,980.99/568,647.30
  6. Step 6: Final answer
    x = 253,992.24

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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.