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Finding the Fourth Proportional to 453,682.64, 680,523.96 and 121,250

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Solution

The fourth proportional to 453,682.64, 680,523.96 and 121,250 is: 181,875

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,682.64 : 680,523.96 = 121,250 : x
  2. Step 2: Convert to fraction form
    453,682.64/680,523.96 = 121,250/x
  3. Step 3: Cross multiply
    453,682.64x = 680,523.96 × 121,250
  4. Step 4: Simplify right side
    453,682.64x = 82,513,530,150
  5. Step 5: Solve for x
    x = 82,513,530,150/453,682.64
  6. Step 6: Final answer
    x = 181,875

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.