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Finding the Fourth Proportional to 383,073.96, 574,418.70 and 223,201.56

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Solution

The fourth proportional to 383,073.96, 574,418.70 and 223,201.56 is: 334,690.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,073.96 : 574,418.70 = 223,201.56 : x
  2. Step 2: Convert to fraction form
    383,073.96/574,418.70 = 223,201.56/x
  3. Step 3: Cross multiply
    383,073.96x = 574,418.70 × 223,201.56
  4. Step 4: Simplify right side
    383,073.96x = 128,211,149,933.17
  5. Step 5: Solve for x
    x = 128,211,149,933.17/383,073.96
  6. Step 6: Final answer
    x = 334,690.33

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1.5x scale

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.