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Finding the Fourth Proportional to 339,451.56, 468,457.98 and 188,548.56

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Solution

The fourth proportional to 339,451.56, 468,457.98 and 188,548.56 is: 260,205.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,451.56 : 468,457.98 = 188,548.56 : x
  2. Step 2: Convert to fraction form
    339,451.56/468,457.98 = 188,548.56/x
  3. Step 3: Cross multiply
    339,451.56x = 468,457.98 × 188,548.56
  4. Step 4: Simplify right side
    339,451.56x = 88,327,077,549.51
  5. Step 5: Solve for x
    x = 88,327,077,549.51/339,451.56
  6. Step 6: Final answer
    x = 260,205.25

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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.