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Finding the Fourth Proportional to 571,680.72, 857,650.68 and 197,706.96

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Solution

The fourth proportional to 571,680.72, 857,650.68 and 197,706.96 is: 296,605.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,680.72 : 857,650.68 = 197,706.96 : x
  2. Step 2: Convert to fraction form
    571,680.72/857,650.68 = 197,706.96/x
  3. Step 3: Cross multiply
    571,680.72x = 857,650.68 × 197,706.96
  4. Step 4: Simplify right side
    571,680.72x = 169,563,508,684.73
  5. Step 5: Solve for x
    x = 169,563,508,684.73/571,680.72
  6. Step 6: Final answer
    x = 296,605.26

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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.