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Finding the Fourth Proportional to 471,469.71, 650,628.15 and 256,611.34

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Solution

The fourth proportional to 471,469.71, 650,628.15 and 256,611.34 is: 354,123.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,469.71 : 650,628.15 = 256,611.34 : x
  2. Step 2: Convert to fraction form
    471,469.71/650,628.15 = 256,611.34/x
  3. Step 3: Cross multiply
    471,469.71x = 650,628.15 × 256,611.34
  4. Step 4: Simplify right side
    471,469.71x = 166,958,561,264.21
  5. Step 5: Solve for x
    x = 166,958,561,264.21/471,469.71
  6. Step 6: Final answer
    x = 354,123.62

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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.