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Finding the Fourth Proportional to 311,850.64, 430,464.54 and 184,525.96

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Solution

The fourth proportional to 311,850.64, 430,464.54 and 184,525.96 is: 254,711.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,850.64 : 430,464.54 = 184,525.96 : x
  2. Step 2: Convert to fraction form
    311,850.64/430,464.54 = 184,525.96/x
  3. Step 3: Cross multiply
    311,850.64x = 430,464.54 × 184,525.96
  4. Step 4: Simplify right side
    311,850.64x = 79,431,882,489.46
  5. Step 5: Solve for x
    x = 79,431,882,489.46/311,850.64
  6. Step 6: Final answer
    x = 254,711.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.