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Finding the Fourth Proportional to 346,380.68, 519,558.72 and 133,093.64

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Solution

The fourth proportional to 346,380.68, 519,558.72 and 133,093.64 is: 199,635.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,380.68 : 519,558.72 = 133,093.64 : x
  2. Step 2: Convert to fraction form
    346,380.68/519,558.72 = 133,093.64/x
  3. Step 3: Cross multiply
    346,380.68x = 519,558.72 × 133,093.64
  4. Step 4: Simplify right side
    346,380.68x = 69,149,961,238.54
  5. Step 5: Solve for x
    x = 69,149,961,238.54/346,380.68
  6. Step 6: Final answer
    x = 199,635.73

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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.