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Finding the Fourth Proportional to 433,303.34, 649,561.34 and 196,516.85

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Solution

The fourth proportional to 433,303.34, 649,561.34 and 196,516.85 is: 294,596.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,303.34 : 649,561.34 = 196,516.85 : x
  2. Step 2: Convert to fraction form
    433,303.34/649,561.34 = 196,516.85/x
  3. Step 3: Cross multiply
    433,303.34x = 649,561.34 × 196,516.85
  4. Step 4: Simplify right side
    433,303.34x = 127,649,745,662.06
  5. Step 5: Solve for x
    x = 127,649,745,662.06/433,303.34
  6. Step 6: Final answer
    x = 294,596.73

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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.