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Finding the Fourth Proportional to 365,941.31, 505,228.23 and 235,172.00

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Solution

The fourth proportional to 365,941.31, 505,228.23 and 235,172.00 is: 324,684.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,941.31 : 505,228.23 = 235,172.00 : x
  2. Step 2: Convert to fraction form
    365,941.31/505,228.23 = 235,172.00/x
  3. Step 3: Cross multiply
    365,941.31x = 505,228.23 × 235,172.00
  4. Step 4: Simplify right side
    365,941.31x = 118,815,534,568.63
  5. Step 5: Solve for x
    x = 118,815,534,568.63/365,941.31
  6. Step 6: Final answer
    x = 324,684.68

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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.