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Finding the Fourth Proportional to 311,469.66, 429,832.17 and 184,144.14

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Solution

The fourth proportional to 311,469.66, 429,832.17 and 184,144.14 is: 254,121.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,469.66 : 429,832.17 = 184,144.14 : x
  2. Step 2: Convert to fraction form
    311,469.66/429,832.17 = 184,144.14/x
  3. Step 3: Cross multiply
    311,469.66x = 429,832.17 × 184,144.14
  4. Step 4: Simplify right side
    311,469.66x = 79,151,075,288.98
  5. Step 5: Solve for x
    x = 79,151,075,288.98/311,469.66
  6. Step 6: Final answer
    x = 254,121.30

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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.