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Finding the Fourth Proportional to 446,174.31, 669,212.51 and 130,634.31

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Solution

The fourth proportional to 446,174.31, 669,212.51 and 130,634.31 is: 195,937.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,174.31 : 669,212.51 = 130,634.31 : x
  2. Step 2: Convert to fraction form
    446,174.31/669,212.51 = 130,634.31/x
  3. Step 3: Cross multiply
    446,174.31x = 669,212.51 × 130,634.31
  4. Step 4: Simplify right side
    446,174.31x = 87,422,113,834.05
  5. Step 5: Solve for x
    x = 87,422,113,834.05/446,174.31
  6. Step 6: Final answer
    x = 195,937.13

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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.