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Finding the Fourth Proportional to 446,570.58, 669,462.21 and 165,891

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Solution

The fourth proportional to 446,570.58, 669,462.21 and 165,891 is: 248,690.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,570.58 : 669,462.21 = 165,891 : x
  2. Step 2: Convert to fraction form
    446,570.58/669,462.21 = 165,891/x
  3. Step 3: Cross multiply
    446,570.58x = 669,462.21 × 165,891
  4. Step 4: Simplify right side
    446,570.58x = 111,057,755,479.11
  5. Step 5: Solve for x
    x = 111,057,755,479.11/446,570.58
  6. Step 6: Final answer
    x = 248,690.26

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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.