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Finding the Fourth Proportional to 644,836.84, 967,264.56 and 245,499.54

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Solution

The fourth proportional to 644,836.84, 967,264.56 and 245,499.54 is: 368,252.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,836.84 : 967,264.56 = 245,499.54 : x
  2. Step 2: Convert to fraction form
    644,836.84/967,264.56 = 245,499.54/x
  3. Step 3: Cross multiply
    644,836.84x = 967,264.56 × 245,499.54
  4. Step 4: Simplify right side
    644,836.84x = 237,463,004,538.30
  5. Step 5: Solve for x
    x = 237,463,004,538.30/644,836.84
  6. Step 6: Final answer
    x = 368,252.85

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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.