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Finding the Fourth Proportional to 291,446.56, 437,228.75 and 122,967.30

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Solution

The fourth proportional to 291,446.56, 437,228.75 and 122,967.30 is: 184,475.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,446.56 : 437,228.75 = 122,967.30 : x
  2. Step 2: Convert to fraction form
    291,446.56/437,228.75 = 122,967.30/x
  3. Step 3: Cross multiply
    291,446.56x = 437,228.75 × 122,967.30
  4. Step 4: Simplify right side
    291,446.56x = 53,764,839,177.29
  5. Step 5: Solve for x
    x = 53,764,839,177.29/291,446.56
  6. Step 6: Final answer
    x = 184,475.81

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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.