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Finding the Fourth Proportional to 655,752.45, 983,761.27 and 276,674.12

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Solution

The fourth proportional to 655,752.45, 983,761.27 and 276,674.12 is: 415,067.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,752.45 : 983,761.27 = 276,674.12 : x
  2. Step 2: Convert to fraction form
    655,752.45/983,761.27 = 276,674.12/x
  3. Step 3: Cross multiply
    655,752.45x = 983,761.27 × 276,674.12
  4. Step 4: Simplify right side
    655,752.45x = 272,181,283,667.33
  5. Step 5: Solve for x
    x = 272,181,283,667.33/655,752.45
  6. Step 6: Final answer
    x = 415,067.12

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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.