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Finding the Fourth Proportional to 896,745.28, 1,237,507.36 and 494,344

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Solution

The fourth proportional to 896,745.28, 1,237,507.36 and 494,344 is: 682,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,745.28 : 1,237,507.36 = 494,344 : x
  2. Step 2: Convert to fraction form
    896,745.28/1,237,507.36 = 494,344/x
  3. Step 3: Cross multiply
    896,745.28x = 1,237,507.36 × 494,344
  4. Step 4: Simplify right side
    896,745.28x = 611,754,338,371.84
  5. Step 5: Solve for x
    x = 611,754,338,371.84/896,745.28
  6. Step 6: Final answer
    x = 682,194.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.