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Finding the Fourth Proportional to 323,747.94, 485,762.08 and 173,813.24

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Solution

The fourth proportional to 323,747.94, 485,762.08 and 173,813.24 is: 260,795.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,747.94 : 485,762.08 = 173,813.24 : x
  2. Step 2: Convert to fraction form
    323,747.94/485,762.08 = 173,813.24/x
  3. Step 3: Cross multiply
    323,747.94x = 485,762.08 × 173,813.24
  4. Step 4: Simplify right side
    323,747.94x = 84,431,880,993.94
  5. Step 5: Solve for x
    x = 84,431,880,993.94/323,747.94
  6. Step 6: Final answer
    x = 260,795.11

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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.