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Finding the Fourth Proportional to 323,548.64, 485,324.24 and 98,908.24

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Solution

The fourth proportional to 323,548.64, 485,324.24 and 98,908.24 is: 148,362.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,548.64 : 485,324.24 = 98,908.24 : x
  2. Step 2: Convert to fraction form
    323,548.64/485,324.24 = 98,908.24/x
  3. Step 3: Cross multiply
    323,548.64x = 485,324.24 × 98,908.24
  4. Step 4: Simplify right side
    323,548.64x = 48,002,566,407.74
  5. Step 5: Solve for x
    x = 48,002,566,407.74/323,548.64
  6. Step 6: Final answer
    x = 148,362.75

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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.