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Finding the Fourth Proportional to 446,397.48, 669,424.84 and 190,067.52

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Solution

The fourth proportional to 446,397.48, 669,424.84 and 190,067.52 is: 285,028.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,397.48 : 669,424.84 = 190,067.52 : x
  2. Step 2: Convert to fraction form
    446,397.48/669,424.84 = 190,067.52/x
  3. Step 3: Cross multiply
    446,397.48x = 669,424.84 × 190,067.52
  4. Step 4: Simplify right side
    446,397.48x = 127,235,919,165.20
  5. Step 5: Solve for x
    x = 127,235,919,165.20/446,397.48
  6. Step 6: Final answer
    x = 285,028.31

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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.