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Finding the Fourth Proportional to 492,791.76, 680,052.62 and 266,437.26

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Solution

The fourth proportional to 492,791.76, 680,052.62 and 266,437.26 is: 367,683.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,791.76 : 680,052.62 = 266,437.26 : x
  2. Step 2: Convert to fraction form
    492,791.76/680,052.62 = 266,437.26/x
  3. Step 3: Cross multiply
    492,791.76x = 680,052.62 × 266,437.26
  4. Step 4: Simplify right side
    492,791.76x = 181,191,355,396.44
  5. Step 5: Solve for x
    x = 181,191,355,396.44/492,791.76
  6. Step 6: Final answer
    x = 367,683.41

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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.