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Finding the Fourth Proportional to 383,061.96, 574,400.70 and 223,189.56

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Solution

The fourth proportional to 383,061.96, 574,400.70 and 223,189.56 is: 334,672.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,061.96 : 574,400.70 = 223,189.56 : x
  2. Step 2: Convert to fraction form
    383,061.96/574,400.70 = 223,189.56/x
  3. Step 3: Cross multiply
    383,061.96x = 574,400.70 × 223,189.56
  4. Step 4: Simplify right side
    383,061.96x = 128,200,239,496.69
  5. Step 5: Solve for x
    x = 128,200,239,496.69/383,061.96
  6. Step 6: Final answer
    x = 334,672.33

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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.