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Finding the Fourth Proportional to 254,457.79, 350,855.08 and 189,814.81

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Solution

The fourth proportional to 254,457.79, 350,855.08 and 189,814.81 is: 261,723.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,457.79 : 350,855.08 = 189,814.81 : x
  2. Step 2: Convert to fraction form
    254,457.79/350,855.08 = 189,814.81/x
  3. Step 3: Cross multiply
    254,457.79x = 350,855.08 × 189,814.81
  4. Step 4: Simplify right side
    254,457.79x = 66,597,488,996.06
  5. Step 5: Solve for x
    x = 66,597,488,996.06/254,457.79
  6. Step 6: Final answer
    x = 261,723.13

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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.