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Finding the Fourth Proportional to 264,052.80, 394,927.20 and 236,174.40

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Solution

The fourth proportional to 264,052.80, 394,927.20 and 236,174.40 is: 353,231.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,052.80 : 394,927.20 = 236,174.40 : x
  2. Step 2: Convert to fraction form
    264,052.80/394,927.20 = 236,174.40/x
  3. Step 3: Cross multiply
    264,052.80x = 394,927.20 × 236,174.40
  4. Step 4: Simplify right side
    264,052.80x = 93,271,694,503.68
  5. Step 5: Solve for x
    x = 93,271,694,503.68/264,052.80
  6. Step 6: Final answer
    x = 353,231.23

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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.