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Finding the Fourth Proportional to 339,341.64, 468,297.09 and 186,393.96

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Solution

The fourth proportional to 339,341.64, 468,297.09 and 186,393.96 is: 257,226.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,341.64 : 468,297.09 = 186,393.96 : x
  2. Step 2: Convert to fraction form
    339,341.64/468,297.09 = 186,393.96/x
  3. Step 3: Cross multiply
    339,341.64x = 468,297.09 × 186,393.96
  4. Step 4: Simplify right side
    339,341.64x = 87,287,749,061.58
  5. Step 5: Solve for x
    x = 87,287,749,061.58/339,341.64
  6. Step 6: Final answer
    x = 257,226.76

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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.