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Finding the Fourth Proportional to 383,148.27, 574,722.54 and 158,261.54

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Solution

The fourth proportional to 383,148.27, 574,722.54 and 158,261.54 is: 237,392.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,148.27 : 574,722.54 = 158,261.54 : x
  2. Step 2: Convert to fraction form
    383,148.27/574,722.54 = 158,261.54/x
  3. Step 3: Cross multiply
    383,148.27x = 574,722.54 × 158,261.54
  4. Step 4: Simplify right side
    383,148.27x = 90,956,471,379.50
  5. Step 5: Solve for x
    x = 90,956,471,379.50/383,148.27
  6. Step 6: Final answer
    x = 237,392.36

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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.