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Finding the Fourth Proportional to 683,576.90, 943,601.84 and 611,832.36

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Solution

The fourth proportional to 683,576.90, 943,601.84 and 611,832.36 is: 844,566.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,576.90 : 943,601.84 = 611,832.36 : x
  2. Step 2: Convert to fraction form
    683,576.90/943,601.84 = 611,832.36/x
  3. Step 3: Cross multiply
    683,576.90x = 943,601.84 × 611,832.36
  4. Step 4: Simplify right side
    683,576.90x = 577,326,140,667.54
  5. Step 5: Solve for x
    x = 577,326,140,667.54/683,576.90
  6. Step 6: Final answer
    x = 844,566.49

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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.