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Finding the Fourth Proportional to 482,280.96, 665,546.58 and 267,415.50

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Solution

The fourth proportional to 482,280.96, 665,546.58 and 267,415.50 is: 369,032.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,280.96 : 665,546.58 = 267,415.50 : x
  2. Step 2: Convert to fraction form
    482,280.96/665,546.58 = 267,415.50/x
  3. Step 3: Cross multiply
    482,280.96x = 665,546.58 × 267,415.50
  4. Step 4: Simplify right side
    482,280.96x = 177,977,471,463.99
  5. Step 5: Solve for x
    x = 177,977,471,463.99/482,280.96
  6. Step 6: Final answer
    x = 369,032.76

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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.