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Finding the Fourth Proportional to 290,335.26, 400,561.47 and 182,914.86

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Solution

The fourth proportional to 290,335.26, 400,561.47 and 182,914.86 is: 252,358.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,335.26 : 400,561.47 = 182,914.86 : x
  2. Step 2: Convert to fraction form
    290,335.26/400,561.47 = 182,914.86/x
  3. Step 3: Cross multiply
    290,335.26x = 400,561.47 × 182,914.86
  4. Step 4: Simplify right side
    290,335.26x = 73,268,645,206.44
  5. Step 5: Solve for x
    x = 73,268,645,206.44/290,335.26
  6. Step 6: Final answer
    x = 252,358.76

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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.