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Finding the Fourth Proportional to 254,457.78, 350,855.09 and 189,814.82

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Solution

The fourth proportional to 254,457.78, 350,855.09 and 189,814.82 is: 261,723.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,457.78 : 350,855.09 = 189,814.82 : x
  2. Step 2: Convert to fraction form
    254,457.78/350,855.09 = 189,814.82/x
  3. Step 3: Cross multiply
    254,457.78x = 350,855.09 × 189,814.82
  4. Step 4: Simplify right side
    254,457.78x = 66,597,493,051.08
  5. Step 5: Solve for x
    x = 66,597,493,051.08/254,457.78
  6. Step 6: Final answer
    x = 261,723.16

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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.