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Finding the Fourth Proportional to 401,239.44, 601,937.84 and 148,522.07

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Solution

The fourth proportional to 401,239.44, 601,937.84 and 148,522.07 is: 222,812.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,239.44 : 601,937.84 = 148,522.07 : x
  2. Step 2: Convert to fraction form
    401,239.44/601,937.84 = 148,522.07/x
  3. Step 3: Cross multiply
    401,239.44x = 601,937.84 × 148,522.07
  4. Step 4: Simplify right side
    401,239.44x = 89,401,055,884.28
  5. Step 5: Solve for x
    x = 89,401,055,884.28/401,239.44
  6. Step 6: Final answer
    x = 222,812.23

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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.