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Finding the Fourth Proportional to 655,716.16, 982,043.36 and 504,758.64

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Solution

The fourth proportional to 655,716.16, 982,043.36 and 504,758.64 is: 755,959.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,716.16 : 982,043.36 = 504,758.64 : x
  2. Step 2: Convert to fraction form
    655,716.16/982,043.36 = 504,758.64/x
  3. Step 3: Cross multiply
    655,716.16x = 982,043.36 × 504,758.64
  4. Step 4: Simplify right side
    655,716.16x = 495,694,870,814.63
  5. Step 5: Solve for x
    x = 495,694,870,814.63/655,716.16
  6. Step 6: Final answer
    x = 755,959.52

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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.