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Finding the Fourth Proportional to 344,107.85, 474,852.78 and 191,155.95

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Solution

The fourth proportional to 344,107.85, 474,852.78 and 191,155.95 is: 263,786.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,107.85 : 474,852.78 = 191,155.95 : x
  2. Step 2: Convert to fraction form
    344,107.85/474,852.78 = 191,155.95/x
  3. Step 3: Cross multiply
    344,107.85x = 474,852.78 × 191,155.95
  4. Step 4: Simplify right side
    344,107.85x = 90,770,934,271.04
  5. Step 5: Solve for x
    x = 90,770,934,271.04/344,107.85
  6. Step 6: Final answer
    x = 263,786.30

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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.