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Finding the Fourth Proportional to 334,563.75, 461,692.51 and 191,318.90

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Solution

The fourth proportional to 334,563.75, 461,692.51 and 191,318.90 is: 264,016.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,563.75 : 461,692.51 = 191,318.90 : x
  2. Step 2: Convert to fraction form
    334,563.75/461,692.51 = 191,318.90/x
  3. Step 3: Cross multiply
    334,563.75x = 461,692.51 × 191,318.90
  4. Step 4: Simplify right side
    334,563.75x = 88,330,500,364.68
  5. Step 5: Solve for x
    x = 88,330,500,364.68/334,563.75
  6. Step 6: Final answer
    x = 264,016.95

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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.