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Finding the Fourth Proportional to 655,480.36, 983,239.26 and 356,104.36

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Solution

The fourth proportional to 655,480.36, 983,239.26 and 356,104.36 is: 534,166.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,480.36 : 983,239.26 = 356,104.36 : x
  2. Step 2: Convert to fraction form
    655,480.36/983,239.26 = 356,104.36/x
  3. Step 3: Cross multiply
    655,480.36x = 983,239.26 × 356,104.36
  4. Step 4: Simplify right side
    655,480.36x = 350,135,787,409.17
  5. Step 5: Solve for x
    x = 350,135,787,409.17/655,480.36
  6. Step 6: Final answer
    x = 534,166.71

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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.