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Finding the Fourth Proportional to 647,499.95, 970,958.33 and 248,007.95

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Solution

The fourth proportional to 647,499.95, 970,958.33 and 248,007.95 is: 371,900.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,499.95 : 970,958.33 = 248,007.95 : x
  2. Step 2: Convert to fraction form
    647,499.95/970,958.33 = 248,007.95/x
  3. Step 3: Cross multiply
    647,499.95x = 970,958.33 × 248,007.95
  4. Step 4: Simplify right side
    647,499.95x = 240,805,383,718.68
  5. Step 5: Solve for x
    x = 240,805,383,718.68/647,499.95
  6. Step 6: Final answer
    x = 371,900.24

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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.