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Finding the Fourth Proportional to 332,553.74, 458,947.32 and 189,313.76

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Solution

The fourth proportional to 332,553.74, 458,947.32 and 189,313.76 is: 261,266.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,553.74 : 458,947.32 = 189,313.76 : x
  2. Step 2: Convert to fraction form
    332,553.74/458,947.32 = 189,313.76/x
  3. Step 3: Cross multiply
    332,553.74x = 458,947.32 × 189,313.76
  4. Step 4: Simplify right side
    332,553.74x = 86,885,042,791.12
  5. Step 5: Solve for x
    x = 86,885,042,791.12/332,553.74
  6. Step 6: Final answer
    x = 261,266.17

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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.