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Finding the Fourth Proportional to 327,166.44, 490,548.76 and 127,253.86

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Solution

The fourth proportional to 327,166.44, 490,548.76 and 127,253.86 is: 190,802.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,166.44 : 490,548.76 = 127,253.86 : x
  2. Step 2: Convert to fraction form
    327,166.44/490,548.76 = 127,253.86/x
  3. Step 3: Cross multiply
    327,166.44x = 490,548.76 × 127,253.86
  4. Step 4: Simplify right side
    327,166.44x = 62,424,223,228.21
  5. Step 5: Solve for x
    x = 62,424,223,228.21/327,166.44
  6. Step 6: Final answer
    x = 190,802.65

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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.