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Finding the Fourth Proportional to 404,751,313.82, 558,556,993.41 and 219,112,323.50

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Solution

The fourth proportional to 404,751,313.82, 558,556,993.41 and 219,112,323.50 is: 302,375,104.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,751,313.82 : 558,556,993.41 = 219,112,323.50 : x
  2. Step 2: Convert to fraction form
    404,751,313.82/558,556,993.41 = 219,112,323.50/x
  3. Step 3: Cross multiply
    404,751,313.82x = 558,556,993.41 × 219,112,323.50
  4. Step 4: Simplify right side
    404,751,313.82x = 122,386,720,633,239,280
  5. Step 5: Solve for x
    x = 122,386,720,633,239,280/404,751,313.82
  6. Step 6: Final answer
    x = 302,375,104.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.