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Finding the Fourth Proportional to 337,428.48, 465,633.12 and 186,516.48

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Solution

The fourth proportional to 337,428.48, 465,633.12 and 186,516.48 is: 257,382.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,428.48 : 465,633.12 = 186,516.48 : x
  2. Step 2: Convert to fraction form
    337,428.48/465,633.12 = 186,516.48/x
  3. Step 3: Cross multiply
    337,428.48x = 465,633.12 × 186,516.48
  4. Step 4: Simplify right side
    337,428.48x = 86,848,250,513.82
  5. Step 5: Solve for x
    x = 86,848,250,513.82/337,428.48
  6. Step 6: Final answer
    x = 257,382.69

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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.