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Finding the Fourth Proportional to 362,191.74, 543,391.29 and 175,308.54

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Solution

The fourth proportional to 362,191.74, 543,391.29 and 175,308.54 is: 263,012.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,191.74 : 543,391.29 = 175,308.54 : x
  2. Step 2: Convert to fraction form
    362,191.74/543,391.29 = 175,308.54/x
  3. Step 3: Cross multiply
    362,191.74x = 543,391.29 × 175,308.54
  4. Step 4: Simplify right side
    362,191.74x = 95,261,133,698.62
  5. Step 5: Solve for x
    x = 95,261,133,698.62/362,191.74
  6. Step 6: Final answer
    x = 263,012.99

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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.