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Finding the Fourth Proportional to 675,297.16, 1,012,571.82 and 276,218.20

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Solution

The fourth proportional to 675,297.16, 1,012,571.82 and 276,218.20 is: 414,174.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,297.16 : 1,012,571.82 = 276,218.20 : x
  2. Step 2: Convert to fraction form
    675,297.16/1,012,571.82 = 276,218.20/x
  3. Step 3: Cross multiply
    675,297.16x = 1,012,571.82 × 276,218.20
  4. Step 4: Simplify right side
    675,297.16x = 279,690,765,491.12
  5. Step 5: Solve for x
    x = 279,690,765,491.12/675,297.16
  6. Step 6: Final answer
    x = 414,174.35

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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.