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Finding the Fourth Proportional to 464,044.20, 696,066.30 and 215,212.20

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Solution

The fourth proportional to 464,044.20, 696,066.30 and 215,212.20 is: 322,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,044.20 : 696,066.30 = 215,212.20 : x
  2. Step 2: Convert to fraction form
    464,044.20/696,066.30 = 215,212.20/x
  3. Step 3: Cross multiply
    464,044.20x = 696,066.30 × 215,212.20
  4. Step 4: Simplify right side
    464,044.20x = 149,801,959,768.86
  5. Step 5: Solve for x
    x = 149,801,959,768.86/464,044.20
  6. Step 6: Final answer
    x = 322,818.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.