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Finding the Fourth Proportional to 471,576.20, 650,775.26 and 256,716.21

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Solution

The fourth proportional to 471,576.20, 650,775.26 and 256,716.21 is: 354,268.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,576.20 : 650,775.26 = 256,716.21 : x
  2. Step 2: Convert to fraction form
    471,576.20/650,775.26 = 256,716.21/x
  3. Step 3: Cross multiply
    471,576.20x = 650,775.26 × 256,716.21
  4. Step 4: Simplify right side
    471,576.20x = 167,064,559,560.86
  5. Step 5: Solve for x
    x = 167,064,559,560.86/471,576.20
  6. Step 6: Final answer
    x = 354,268.43

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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.