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Finding the Fourth Proportional to 344,029.80, 474,745.36 and 191,077.77

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Solution

The fourth proportional to 344,029.80, 474,745.36 and 191,077.77 is: 263,678.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,029.80 : 474,745.36 = 191,077.77 : x
  2. Step 2: Convert to fraction form
    344,029.80/474,745.36 = 191,077.77/x
  3. Step 3: Cross multiply
    344,029.80x = 474,745.36 × 191,077.77
  4. Step 4: Simplify right side
    344,029.80x = 90,713,284,706.65
  5. Step 5: Solve for x
    x = 90,713,284,706.65/344,029.80
  6. Step 6: Final answer
    x = 263,678.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.