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Finding the Fourth Proportional to 471,488.57, 650,668.32 and 290,305.04

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Solution

The fourth proportional to 471,488.57, 650,668.32 and 290,305.04 is: 400,629.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,488.57 : 650,668.32 = 290,305.04 : x
  2. Step 2: Convert to fraction form
    471,488.57/650,668.32 = 290,305.04/x
  3. Step 3: Cross multiply
    471,488.57x = 650,668.32 × 290,305.04
  4. Step 4: Simplify right side
    471,488.57x = 188,892,292,664.33
  5. Step 5: Solve for x
    x = 188,892,292,664.33/471,488.57
  6. Step 6: Final answer
    x = 400,629.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.