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Finding the Fourth Proportional to 363,172.44, 500,973.21 and 217,941.06

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Solution

The fourth proportional to 363,172.44, 500,973.21 and 217,941.06 is: 300,635.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,172.44 : 500,973.21 = 217,941.06 : x
  2. Step 2: Convert to fraction form
    363,172.44/500,973.21 = 217,941.06/x
  3. Step 3: Cross multiply
    363,172.44x = 500,973.21 × 217,941.06
  4. Step 4: Simplify right side
    363,172.44x = 109,182,632,419.00
  5. Step 5: Solve for x
    x = 109,182,632,419.00/363,172.44
  6. Step 6: Final answer
    x = 300,635.79

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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.