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Finding the Fourth Proportional to 449,223.51, 671,788.58 and 335,451.21

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Solution

The fourth proportional to 449,223.51, 671,788.58 and 335,451.21 is: 501,648.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,223.51 : 671,788.58 = 335,451.21 : x
  2. Step 2: Convert to fraction form
    449,223.51/671,788.58 = 335,451.21/x
  3. Step 3: Cross multiply
    449,223.51x = 671,788.58 × 335,451.21
  4. Step 4: Simplify right side
    449,223.51x = 225,352,290,347.93
  5. Step 5: Solve for x
    x = 225,352,290,347.93/449,223.51
  6. Step 6: Final answer
    x = 501,648.48

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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.