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Finding the Fourth Proportional to 290,380.64, 400,551.48 and 182,763.84

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Solution

The fourth proportional to 290,380.64, 400,551.48 and 182,763.84 is: 252,104.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,380.64 : 400,551.48 = 182,763.84 : x
  2. Step 2: Convert to fraction form
    290,380.64/400,551.48 = 182,763.84/x
  3. Step 3: Cross multiply
    290,380.64x = 400,551.48 × 182,763.84
  4. Step 4: Simplify right side
    290,380.64x = 73,206,326,602.48
  5. Step 5: Solve for x
    x = 73,206,326,602.48/290,380.64
  6. Step 6: Final answer
    x = 252,104.71

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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.