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Finding the Fourth Proportional to 471,682.13, 650,912.91 and 256,818.29

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Solution

The fourth proportional to 471,682.13, 650,912.91 and 256,818.29 is: 354,404.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,682.13 : 650,912.91 = 256,818.29 : x
  2. Step 2: Convert to fraction form
    471,682.13/650,912.91 = 256,818.29/x
  3. Step 3: Cross multiply
    471,682.13x = 650,912.91 × 256,818.29
  4. Step 4: Simplify right side
    471,682.13x = 167,166,340,485.12
  5. Step 5: Solve for x
    x = 167,166,340,485.12/471,682.13
  6. Step 6: Final answer
    x = 354,404.65

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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.