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Finding the Fourth Proportional to 675,563.81, 1,012,773.38 and 296,197.03

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Solution

The fourth proportional to 675,563.81, 1,012,773.38 and 296,197.03 is: 444,044.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,563.81 : 1,012,773.38 = 296,197.03 : x
  2. Step 2: Convert to fraction form
    675,563.81/1,012,773.38 = 296,197.03/x
  3. Step 3: Cross multiply
    675,563.81x = 1,012,773.38 × 296,197.03
  4. Step 4: Simplify right side
    675,563.81x = 299,980,465,427.62
  5. Step 5: Solve for x
    x = 299,980,465,427.62/675,563.81
  6. Step 6: Final answer
    x = 444,044.61

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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.