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Finding the Fourth Proportional to 644,647.98, 967,391.55 and 245,292.06

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Solution

The fourth proportional to 644,647.98, 967,391.55 and 245,292.06 is: 368,097.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,647.98 : 967,391.55 = 245,292.06 : x
  2. Step 2: Convert to fraction form
    644,647.98/967,391.55 = 245,292.06/x
  3. Step 3: Cross multiply
    644,647.98x = 967,391.55 × 245,292.06
  4. Step 4: Simplify right side
    644,647.98x = 237,293,466,126.09
  5. Step 5: Solve for x
    x = 237,293,466,126.09/644,647.98
  6. Step 6: Final answer
    x = 368,097.74

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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.