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Finding the Fourth Proportional to 322,759.72, 445,299.06 and 230,801.32

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Solution

The fourth proportional to 322,759.72, 445,299.06 and 230,801.32 is: 318,427.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,759.72 : 445,299.06 = 230,801.32 : x
  2. Step 2: Convert to fraction form
    322,759.72/445,299.06 = 230,801.32/x
  3. Step 3: Cross multiply
    322,759.72x = 445,299.06 × 230,801.32
  4. Step 4: Simplify right side
    322,759.72x = 102,775,610,842.76
  5. Step 5: Solve for x
    x = 102,775,610,842.76/322,759.72
  6. Step 6: Final answer
    x = 318,427.62

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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.