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Finding the Fourth Proportional to 332,558.72, 459,082.12 and 211,865.52

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Solution

The fourth proportional to 332,558.72, 459,082.12 and 211,865.52 is: 292,470.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,558.72 : 459,082.12 = 211,865.52 : x
  2. Step 2: Convert to fraction form
    332,558.72/459,082.12 = 211,865.52/x
  3. Step 3: Cross multiply
    332,558.72x = 459,082.12 × 211,865.52
  4. Step 4: Simplify right side
    332,558.72x = 97,263,672,076.50
  5. Step 5: Solve for x
    x = 97,263,672,076.50/332,558.72
  6. Step 6: Final answer
    x = 292,470.67

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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.