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Finding the Fourth Proportional to 293,870.70, 441,745.65 and 273,069.90

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Solution

The fourth proportional to 293,870.70, 441,745.65 and 273,069.90 is: 410,477.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,870.70 : 441,745.65 = 273,069.90 : x
  2. Step 2: Convert to fraction form
    293,870.70/441,745.65 = 273,069.90/x
  3. Step 3: Cross multiply
    293,870.70x = 441,745.65 × 273,069.90
  4. Step 4: Simplify right side
    293,870.70x = 120,627,440,470.94
  5. Step 5: Solve for x
    x = 120,627,440,470.94/293,870.70
  6. Step 6: Final answer
    x = 410,477.94

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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.