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Finding the Fourth Proportional to 219,668,465.38, 327,561,902.24 and 217,696,819.24

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Solution

The fourth proportional to 219,668,465.38, 327,561,902.24 and 217,696,819.24 is: 324,621,852.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,668,465.38 : 327,561,902.24 = 217,696,819.24 : x
  2. Step 2: Convert to fraction form
    219,668,465.38/327,561,902.24 = 217,696,819.24/x
  3. Step 3: Cross multiply
    219,668,465.38x = 327,561,902.24 × 217,696,819.24
  4. Step 4: Simplify right side
    219,668,465.38x = 71,309,184,221,851,840
  5. Step 5: Solve for x
    x = 71,309,184,221,851,840/219,668,465.38
  6. Step 6: Final answer
    x = 324,621,852.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.