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Finding the Fourth Proportional to 463,127.79, 694,594.49 and 130,626.03

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Solution

The fourth proportional to 463,127.79, 694,594.49 and 130,626.03 is: 195,911.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,127.79 : 694,594.49 = 130,626.03 : x
  2. Step 2: Convert to fraction form
    463,127.79/694,594.49 = 130,626.03/x
  3. Step 3: Cross multiply
    463,127.79x = 694,594.49 × 130,626.03
  4. Step 4: Simplify right side
    463,127.79x = 90,732,120,035.44
  5. Step 5: Solve for x
    x = 90,732,120,035.44/463,127.79
  6. Step 6: Final answer
    x = 195,911.63

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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.