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Finding the Fourth Proportional to 339,688.82, 468,776.40 and 186,733.46

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Solution

The fourth proportional to 339,688.82, 468,776.40 and 186,733.46 is: 257,695.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,688.82 : 468,776.40 = 186,733.46 : x
  2. Step 2: Convert to fraction form
    339,688.82/468,776.40 = 186,733.46/x
  3. Step 3: Cross multiply
    339,688.82x = 468,776.40 × 186,733.46
  4. Step 4: Simplify right side
    339,688.82x = 87,536,236,794.46
  5. Step 5: Solve for x
    x = 87,536,236,794.46/339,688.82
  6. Step 6: Final answer
    x = 257,695.37

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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.