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Finding the Fourth Proportional to 441,345.26, 662,022.74 and 330,469.22

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Solution

The fourth proportional to 441,345.26, 662,022.74 and 330,469.22 is: 495,707.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,345.26 : 662,022.74 = 330,469.22 : x
  2. Step 2: Convert to fraction form
    441,345.26/662,022.74 = 330,469.22/x
  3. Step 3: Cross multiply
    441,345.26x = 662,022.74 × 330,469.22
  4. Step 4: Simplify right side
    441,345.26x = 218,778,136,026.12
  5. Step 5: Solve for x
    x = 218,778,136,026.12/441,345.26
  6. Step 6: Final answer
    x = 495,707.46

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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.