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Finding the Fourth Proportional to 323,188.94, 485,004.85 and 112,826.88

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Solution

The fourth proportional to 323,188.94, 485,004.85 and 112,826.88 is: 169,317.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,188.94 : 485,004.85 = 112,826.88 : x
  2. Step 2: Convert to fraction form
    323,188.94/485,004.85 = 112,826.88/x
  3. Step 3: Cross multiply
    323,188.94x = 485,004.85 × 112,826.88
  4. Step 4: Simplify right side
    323,188.94x = 54,721,583,728.30
  5. Step 5: Solve for x
    x = 54,721,583,728.30/323,188.94
  6. Step 6: Final answer
    x = 169,317.62

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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.