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Finding the Fourth Proportional to 492,043.90, 737,601.45 and 267,072.70

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Solution

The fourth proportional to 492,043.90, 737,601.45 and 267,072.70 is: 400,356.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,043.90 : 737,601.45 = 267,072.70 : x
  2. Step 2: Convert to fraction form
    492,043.90/737,601.45 = 267,072.70/x
  3. Step 3: Cross multiply
    492,043.90x = 737,601.45 × 267,072.70
  4. Step 4: Simplify right side
    492,043.90x = 196,993,210,775.42
  5. Step 5: Solve for x
    x = 196,993,210,775.42/492,043.90
  6. Step 6: Final answer
    x = 400,356.98

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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.