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Finding the Fourth Proportional to 450,019.28, 675,040.80 and 197,169.68

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Solution

The fourth proportional to 450,019.28, 675,040.80 and 197,169.68 is: 295,759.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,019.28 : 675,040.80 = 197,169.68 : x
  2. Step 2: Convert to fraction form
    450,019.28/675,040.80 = 197,169.68/x
  3. Step 3: Cross multiply
    450,019.28x = 675,040.80 × 197,169.68
  4. Step 4: Simplify right side
    450,019.28x = 133,097,578,522.94
  5. Step 5: Solve for x
    x = 133,097,578,522.94/450,019.28
  6. Step 6: Final answer
    x = 295,759.73

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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.