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Finding the Fourth Proportional to 413,055.20, 618,781.20 and 241,863.20

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Solution

The fourth proportional to 413,055.20, 618,781.20 and 241,863.20 is: 362,325.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,055.20 : 618,781.20 = 241,863.20 : x
  2. Step 2: Convert to fraction form
    413,055.20/618,781.20 = 241,863.20/x
  3. Step 3: Cross multiply
    413,055.20x = 618,781.20 × 241,863.20
  4. Step 4: Simplify right side
    413,055.20x = 149,660,401,131.84
  5. Step 5: Solve for x
    x = 149,660,401,131.84/413,055.20
  6. Step 6: Final answer
    x = 362,325.43

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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.