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Finding the Fourth Proportional to 655,436.99, 983,208.83 and 182,122.40

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Solution

The fourth proportional to 655,436.99, 983,208.83 and 182,122.40 is: 273,198.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,436.99 : 983,208.83 = 182,122.40 : x
  2. Step 2: Convert to fraction form
    655,436.99/983,208.83 = 182,122.40/x
  3. Step 3: Cross multiply
    655,436.99x = 983,208.83 × 182,122.40
  4. Step 4: Simplify right side
    655,436.99x = 179,064,345,994.14
  5. Step 5: Solve for x
    x = 179,064,345,994.14/655,436.99
  6. Step 6: Final answer
    x = 273,198.42

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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.