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Finding the Fourth Proportional to 332,850.72, 459,221.84 and 189,509.36

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Solution

The fourth proportional to 332,850.72, 459,221.84 and 189,509.36 is: 261,459.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,850.72 : 459,221.84 = 189,509.36 : x
  2. Step 2: Convert to fraction form
    332,850.72/459,221.84 = 189,509.36/x
  3. Step 3: Cross multiply
    332,850.72x = 459,221.84 × 189,509.36
  4. Step 4: Simplify right side
    332,850.72x = 87,026,836,996.42
  5. Step 5: Solve for x
    x = 87,026,836,996.42/332,850.72
  6. Step 6: Final answer
    x = 261,459.06

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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.