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Finding the Fourth Proportional to 544,653.66, 816,986.43 and 165,636.03

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Solution

The fourth proportional to 544,653.66, 816,986.43 and 165,636.03 is: 248,455.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,653.66 : 816,986.43 = 165,636.03 : x
  2. Step 2: Convert to fraction form
    544,653.66/816,986.43 = 165,636.03/x
  3. Step 3: Cross multiply
    544,653.66x = 816,986.43 × 165,636.03
  4. Step 4: Simplify right side
    544,653.66x = 135,322,388,829.07
  5. Step 5: Solve for x
    x = 135,322,388,829.07/544,653.66
  6. Step 6: Final answer
    x = 248,455.85

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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.