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Finding the Fourth Proportional to 231,550.56, 346,928.64 and 155,506.56

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Solution

The fourth proportional to 231,550.56, 346,928.64 and 155,506.56 is: 232,993.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,550.56 : 346,928.64 = 155,506.56 : x
  2. Step 2: Convert to fraction form
    231,550.56/346,928.64 = 155,506.56/x
  3. Step 3: Cross multiply
    231,550.56x = 346,928.64 × 155,506.56
  4. Step 4: Simplify right side
    231,550.56x = 53,949,679,371.88
  5. Step 5: Solve for x
    x = 53,949,679,371.88/231,550.56
  6. Step 6: Final answer
    x = 232,993.09

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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.