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Finding the Fourth Proportional to 332,887.44, 459,351.66 and 189,638.94

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Solution

The fourth proportional to 332,887.44, 459,351.66 and 189,638.94 is: 261,682.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,887.44 : 459,351.66 = 189,638.94 : x
  2. Step 2: Convert to fraction form
    332,887.44/459,351.66 = 189,638.94/x
  3. Step 3: Cross multiply
    332,887.44x = 459,351.66 × 189,638.94
  4. Step 4: Simplify right side
    332,887.44x = 87,110,961,889.64
  5. Step 5: Solve for x
    x = 87,110,961,889.64/332,887.44
  6. Step 6: Final answer
    x = 261,682.93

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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.