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Finding the Fourth Proportional to 675,858.29, 1,012,667.98 and 475,198.30

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Solution

The fourth proportional to 675,858.29, 1,012,667.98 and 475,198.30 is: 712,010.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,858.29 : 1,012,667.98 = 475,198.30 : x
  2. Step 2: Convert to fraction form
    675,858.29/1,012,667.98 = 475,198.30/x
  3. Step 3: Cross multiply
    675,858.29x = 1,012,667.98 × 475,198.30
  4. Step 4: Simplify right side
    675,858.29x = 481,218,100,184.44
  5. Step 5: Solve for x
    x = 481,218,100,184.44/675,858.29
  6. Step 6: Final answer
    x = 712,010.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.