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Finding the Fourth Proportional to 511,791.20, 706,043.44 and 296,806.64

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Solution

The fourth proportional to 511,791.20, 706,043.44 and 296,806.64 is: 409,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,791.20 : 706,043.44 = 296,806.64 : x
  2. Step 2: Convert to fraction form
    511,791.20/706,043.44 = 296,806.64/x
  3. Step 3: Cross multiply
    511,791.20x = 706,043.44 × 296,806.64
  4. Step 4: Simplify right side
    511,791.20x = 209,558,381,120.44
  5. Step 5: Solve for x
    x = 209,558,381,120.44/511,791.20
  6. Step 6: Final answer
    x = 409,460.70

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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.