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Finding the Fourth Proportional to 339,341.96, 468,297.55 and 186,394.29

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Solution

The fourth proportional to 339,341.96, 468,297.55 and 186,394.29 is: 257,227.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,341.96 : 468,297.55 = 186,394.29 : x
  2. Step 2: Convert to fraction form
    339,341.96/468,297.55 = 186,394.29/x
  3. Step 3: Cross multiply
    339,341.96x = 468,297.55 × 186,394.29
  4. Step 4: Simplify right side
    339,341.96x = 87,287,989,134.95
  5. Step 5: Solve for x
    x = 87,287,989,134.95/339,341.96
  6. Step 6: Final answer
    x = 257,227.22

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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.