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Finding the Fourth Proportional to 323,548.94, 485,324.64 and 98,908.52

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Solution

The fourth proportional to 323,548.94, 485,324.64 and 98,908.52 is: 148,363.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,548.94 : 485,324.64 = 98,908.52 : x
  2. Step 2: Convert to fraction form
    323,548.94/485,324.64 = 98,908.52/x
  3. Step 3: Cross multiply
    323,548.94x = 485,324.64 × 98,908.52
  4. Step 4: Simplify right side
    323,548.94x = 48,002,741,861.93
  5. Step 5: Solve for x
    x = 48,002,741,861.93/323,548.94
  6. Step 6: Final answer
    x = 148,363.16

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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.