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Finding the Fourth Proportional to 567,871.56, 851,622.94 and 188,690.46

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Solution

The fourth proportional to 567,871.56, 851,622.94 and 188,690.46 is: 282,974.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,871.56 : 851,622.94 = 188,690.46 : x
  2. Step 2: Convert to fraction form
    567,871.56/851,622.94 = 188,690.46/x
  3. Step 3: Cross multiply
    567,871.56x = 851,622.94 × 188,690.46
  4. Step 4: Simplify right side
    567,871.56x = 160,693,124,295.15
  5. Step 5: Solve for x
    x = 160,693,124,295.15/567,871.56
  6. Step 6: Final answer
    x = 282,974.42

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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.