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Finding the Fourth Proportional to 323,433.40, 485,237.60 and 183,290.44

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Solution

The fourth proportional to 323,433.40, 485,237.60 and 183,290.44 is: 274,985.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,433.40 : 485,237.60 = 183,290.44 : x
  2. Step 2: Convert to fraction form
    323,433.40/485,237.60 = 183,290.44/x
  3. Step 3: Cross multiply
    323,433.40x = 485,237.60 × 183,290.44
  4. Step 4: Simplify right side
    323,433.40x = 88,939,413,208.54
  5. Step 5: Solve for x
    x = 88,939,413,208.54/323,433.40
  6. Step 6: Final answer
    x = 274,985.25

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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.