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Finding the Fourth Proportional to 323,898.77, 482,523.93 and 309,325.73

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Solution

The fourth proportional to 323,898.77, 482,523.93 and 309,325.73 is: 460,813.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,898.77 : 482,523.93 = 309,325.73 : x
  2. Step 2: Convert to fraction form
    323,898.77/482,523.93 = 309,325.73/x
  3. Step 3: Cross multiply
    323,898.77x = 482,523.93 × 309,325.73
  4. Step 4: Simplify right side
    323,898.77x = 149,257,064,477.10
  5. Step 5: Solve for x
    x = 149,257,064,477.10/323,898.77
  6. Step 6: Final answer
    x = 460,813.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.