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Finding the Fourth Proportional to 259,291, 388,936.50 and 62,299

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Solution

The fourth proportional to 259,291, 388,936.50 and 62,299 is: 93,448.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,291 : 388,936.50 = 62,299 : x
  2. Step 2: Convert to fraction form
    259,291/388,936.50 = 62,299/x
  3. Step 3: Cross multiply
    259,291x = 388,936.50 × 62,299
  4. Step 4: Simplify right side
    259,291x = 24,230,355,013.50
  5. Step 5: Solve for x
    x = 24,230,355,013.50/259,291
  6. Step 6: Final answer
    x = 93,448.50

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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.