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Finding the Fourth Proportional to 568,806.50, 853,350.09 and 169,445.72

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Solution

The fourth proportional to 568,806.50, 853,350.09 and 169,445.72 is: 254,210.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,806.50 : 853,350.09 = 169,445.72 : x
  2. Step 2: Convert to fraction form
    568,806.50/853,350.09 = 169,445.72/x
  3. Step 3: Cross multiply
    568,806.50x = 853,350.09 × 169,445.72
  4. Step 4: Simplify right side
    568,806.50x = 144,596,519,564.89
  5. Step 5: Solve for x
    x = 144,596,519,564.89/568,806.50
  6. Step 6: Final answer
    x = 254,210.39

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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.