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Finding the Fourth Proportional to 433,709.56, 650,760.90 and 256,562.56

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Solution

The fourth proportional to 433,709.56, 650,760.90 and 256,562.56 is: 384,960.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,709.56 : 650,760.90 = 256,562.56 : x
  2. Step 2: Convert to fraction form
    433,709.56/650,760.90 = 256,562.56/x
  3. Step 3: Cross multiply
    433,709.56x = 650,760.90 × 256,562.56
  4. Step 4: Simplify right side
    433,709.56x = 166,960,882,451.90
  5. Step 5: Solve for x
    x = 166,960,882,451.90/433,709.56
  6. Step 6: Final answer
    x = 384,960.12

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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.