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Finding the Fourth Proportional to 217,835,999.10, 326,753,998.65 and 217,835,999.10

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Solution

The fourth proportional to 217,835,999.10, 326,753,998.65 and 217,835,999.10 is: 326,753,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,835,999.10 : 326,753,998.65 = 217,835,999.10 : x
  2. Step 2: Convert to fraction form
    217,835,999.10/326,753,998.65 = 217,835,999.10/x
  3. Step 3: Cross multiply
    217,835,999.10x = 326,753,998.65 × 217,835,999.10
  4. Step 4: Simplify right side
    217,835,999.10x = 71,178,783,755,842,792
  5. Step 5: Solve for x
    x = 71,178,783,755,842,792/217,835,999.10
  6. Step 6: Final answer
    x = 326,753,998.65

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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.