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Finding the Fourth Proportional to 383,072.44, 574,641.42 and 116,835.52

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Solution

The fourth proportional to 383,072.44, 574,641.42 and 116,835.52 is: 175,263.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,072.44 : 574,641.42 = 116,835.52 : x
  2. Step 2: Convert to fraction form
    383,072.44/574,641.42 = 116,835.52/x
  3. Step 3: Cross multiply
    383,072.44x = 574,641.42 × 116,835.52
  4. Step 4: Simplify right side
    383,072.44x = 67,138,529,119.24
  5. Step 5: Solve for x
    x = 67,138,529,119.24/383,072.44
  6. Step 6: Final answer
    x = 175,263.27

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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.