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Finding the Fourth Proportional to 567,862.41, 851,609.27 and 188,681.31

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Solution

The fourth proportional to 567,862.41, 851,609.27 and 188,681.31 is: 282,960.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,862.41 : 851,609.27 = 188,681.31 : x
  2. Step 2: Convert to fraction form
    567,862.41/851,609.27 = 188,681.31/x
  3. Step 3: Cross multiply
    567,862.41x = 851,609.27 × 188,681.31
  4. Step 4: Simplify right side
    567,862.41x = 160,682,753,143.45
  5. Step 5: Solve for x
    x = 160,682,753,143.45/567,862.41
  6. Step 6: Final answer
    x = 282,960.71

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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.