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Finding the Fourth Proportional to 325,331.96, 488,022.90 and 112,012.28

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Solution

The fourth proportional to 325,331.96, 488,022.90 and 112,012.28 is: 168,027.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,331.96 : 488,022.90 = 112,012.28 : x
  2. Step 2: Convert to fraction form
    325,331.96/488,022.90 = 112,012.28/x
  3. Step 3: Cross multiply
    325,331.96x = 488,022.90 × 112,012.28
  4. Step 4: Simplify right side
    325,331.96x = 54,664,557,721.21
  5. Step 5: Solve for x
    x = 54,664,557,721.21/325,331.96
  6. Step 6: Final answer
    x = 168,027.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.