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Finding the Fourth Proportional to 323,592.54, 485,403.36 and 123,861.12

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Solution

The fourth proportional to 323,592.54, 485,403.36 and 123,861.12 is: 185,797.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,592.54 : 485,403.36 = 123,861.12 : x
  2. Step 2: Convert to fraction form
    323,592.54/485,403.36 = 123,861.12/x
  3. Step 3: Cross multiply
    323,592.54x = 485,403.36 × 123,861.12
  4. Step 4: Simplify right side
    323,592.54x = 60,122,603,821.36
  5. Step 5: Solve for x
    x = 60,122,603,821.36/323,592.54
  6. Step 6: Final answer
    x = 185,797.25

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1.5x scale

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.