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Finding the Fourth Proportional to 325,077.64, 448,426.54 and 189,096.28

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Solution

The fourth proportional to 325,077.64, 448,426.54 and 189,096.28 is: 260,847.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,077.64 : 448,426.54 = 189,096.28 : x
  2. Step 2: Convert to fraction form
    325,077.64/448,426.54 = 189,096.28/x
  3. Step 3: Cross multiply
    325,077.64x = 448,426.54 × 189,096.28
  4. Step 4: Simplify right side
    325,077.64x = 84,795,790,567.27
  5. Step 5: Solve for x
    x = 84,795,790,567.27/325,077.64
  6. Step 6: Final answer
    x = 260,847.81

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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.