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Finding the Fourth Proportional to 336,791.72, 505,268.38 and 112,154.24

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Solution

The fourth proportional to 336,791.72, 505,268.38 and 112,154.24 is: 168,258.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,791.72 : 505,268.38 = 112,154.24 : x
  2. Step 2: Convert to fraction form
    336,791.72/505,268.38 = 112,154.24/x
  3. Step 3: Cross multiply
    336,791.72x = 505,268.38 × 112,154.24
  4. Step 4: Simplify right side
    336,791.72x = 56,667,991,154.93
  5. Step 5: Solve for x
    x = 56,667,991,154.93/336,791.72
  6. Step 6: Final answer
    x = 168,258.27

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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.