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Finding the Fourth Proportional to 567,871.05, 851,622.20 and 188,689.97

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Solution

The fourth proportional to 567,871.05, 851,622.20 and 188,689.97 is: 282,973.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,871.05 : 851,622.20 = 188,689.97 : x
  2. Step 2: Convert to fraction form
    567,871.05/851,622.20 = 188,689.97/x
  3. Step 3: Cross multiply
    567,871.05x = 851,622.20 × 188,689.97
  4. Step 4: Simplify right side
    567,871.05x = 160,692,562,167.77
  5. Step 5: Solve for x
    x = 160,692,562,167.77/567,871.05
  6. Step 6: Final answer
    x = 282,973.68

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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.