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Finding the Fourth Proportional to 492,614.94, 739,199.16 and 267,991.08

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Solution

The fourth proportional to 492,614.94, 739,199.16 and 267,991.08 is: 402,137.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,614.94 : 739,199.16 = 267,991.08 : x
  2. Step 2: Convert to fraction form
    492,614.94/739,199.16 = 267,991.08/x
  3. Step 3: Cross multiply
    492,614.94x = 739,199.16 × 267,991.08
  4. Step 4: Simplify right side
    492,614.94x = 198,098,781,223.49
  5. Step 5: Solve for x
    x = 198,098,781,223.49/492,614.94
  6. Step 6: Final answer
    x = 402,137.18

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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.