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Finding the Fourth Proportional to 262,090.35, 360,792.09 and 193,978.94

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Solution

The fourth proportional to 262,090.35, 360,792.09 and 193,978.94 is: 267,030.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,090.35 : 360,792.09 = 193,978.94 : x
  2. Step 2: Convert to fraction form
    262,090.35/360,792.09 = 193,978.94/x
  3. Step 3: Cross multiply
    262,090.35x = 360,792.09 × 193,978.94
  4. Step 4: Simplify right side
    262,090.35x = 69,986,065,374.62
  5. Step 5: Solve for x
    x = 69,986,065,374.62/262,090.35
  6. Step 6: Final answer
    x = 267,030.30

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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.