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Finding the Fourth Proportional to 325,801.72, 449,319.18 and 235,133.56

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Solution

The fourth proportional to 325,801.72, 449,319.18 and 235,133.56 is: 324,277.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,801.72 : 449,319.18 = 235,133.56 : x
  2. Step 2: Convert to fraction form
    325,801.72/449,319.18 = 235,133.56/x
  3. Step 3: Cross multiply
    325,801.72x = 449,319.18 × 235,133.56
  4. Step 4: Simplify right side
    325,801.72x = 105,650,018,369.68
  5. Step 5: Solve for x
    x = 105,650,018,369.68/325,801.72
  6. Step 6: Final answer
    x = 324,277.04

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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.