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Finding the Fourth Proportional to 323,751.96, 447,059.77 and 203,100.64

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Solution

The fourth proportional to 323,751.96, 447,059.77 and 203,100.64 is: 280,455.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,751.96 : 447,059.77 = 203,100.64 : x
  2. Step 2: Convert to fraction form
    323,751.96/447,059.77 = 203,100.64/x
  3. Step 3: Cross multiply
    323,751.96x = 447,059.77 × 203,100.64
  4. Step 4: Simplify right side
    323,751.96x = 90,798,123,779.85
  5. Step 5: Solve for x
    x = 90,798,123,779.85/323,751.96
  6. Step 6: Final answer
    x = 280,455.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.