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Finding the Fourth Proportional to 383,527.36, 529,268.34 and 213,757.84

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Solution

The fourth proportional to 383,527.36, 529,268.34 and 213,757.84 is: 294,986.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,527.36 : 529,268.34 = 213,757.84 : x
  2. Step 2: Convert to fraction form
    383,527.36/529,268.34 = 213,757.84/x
  3. Step 3: Cross multiply
    383,527.36x = 529,268.34 × 213,757.84
  4. Step 4: Simplify right side
    383,527.36x = 113,135,257,138.79
  5. Step 5: Solve for x
    x = 113,135,257,138.79/383,527.36
  6. Step 6: Final answer
    x = 294,986.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.