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Finding the Fourth Proportional to 567,969.33, 851,808.20 and 168,515.61

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Solution

The fourth proportional to 567,969.33, 851,808.20 and 168,515.61 is: 252,730.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,969.33 : 851,808.20 = 168,515.61 : x
  2. Step 2: Convert to fraction form
    567,969.33/851,808.20 = 168,515.61/x
  3. Step 3: Cross multiply
    567,969.33x = 851,808.20 × 168,515.61
  4. Step 4: Simplify right side
    567,969.33x = 143,542,977,583.42
  5. Step 5: Solve for x
    x = 143,542,977,583.42/567,969.33
  6. Step 6: Final answer
    x = 252,730.16

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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.