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Finding the Fourth Proportional to 274,281.30, 411,421.95 and 134,313.30

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Solution

The fourth proportional to 274,281.30, 411,421.95 and 134,313.30 is: 201,469.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,281.30 : 411,421.95 = 134,313.30 : x
  2. Step 2: Convert to fraction form
    274,281.30/411,421.95 = 134,313.30/x
  3. Step 3: Cross multiply
    274,281.30x = 411,421.95 × 134,313.30
  4. Step 4: Simplify right side
    274,281.30x = 55,259,439,796.94
  5. Step 5: Solve for x
    x = 55,259,439,796.94/274,281.30
  6. Step 6: Final answer
    x = 201,469.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.