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Finding the Fourth Proportional to 401,240.22, 601,939.05 and 148,522.92

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Solution

The fourth proportional to 401,240.22, 601,939.05 and 148,522.92 is: 222,813.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,240.22 : 601,939.05 = 148,522.92 : x
  2. Step 2: Convert to fraction form
    401,240.22/601,939.05 = 148,522.92/x
  3. Step 3: Cross multiply
    401,240.22x = 601,939.05 × 148,522.92
  4. Step 4: Simplify right side
    401,240.22x = 89,401,745,368.03
  5. Step 5: Solve for x
    x = 89,401,745,368.03/401,240.22
  6. Step 6: Final answer
    x = 222,813.52

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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.