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Finding the Fourth Proportional to 323,743.30, 485,614.95 and 323,743.30

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Solution

The fourth proportional to 323,743.30, 485,614.95 and 323,743.30 is: 485,614.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,743.30 : 485,614.95 = 323,743.30 : x
  2. Step 2: Convert to fraction form
    323,743.30/485,614.95 = 323,743.30/x
  3. Step 3: Cross multiply
    323,743.30x = 485,614.95 × 323,743.30
  4. Step 4: Simplify right side
    323,743.30x = 157,214,586,442.34
  5. Step 5: Solve for x
    x = 157,214,586,442.34/323,743.30
  6. Step 6: Final answer
    x = 485,614.95

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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.