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Finding the Fourth Proportional to 339,495.30, 468,452.51 and 186,539.94

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Solution

The fourth proportional to 339,495.30, 468,452.51 and 186,539.94 is: 257,397.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,495.30 : 468,452.51 = 186,539.94 : x
  2. Step 2: Convert to fraction form
    339,495.30/468,452.51 = 186,539.94/x
  3. Step 3: Cross multiply
    339,495.30x = 468,452.51 × 186,539.94
  4. Step 4: Simplify right side
    339,495.30x = 87,385,102,606.84
  5. Step 5: Solve for x
    x = 87,385,102,606.84/339,495.30
  6. Step 6: Final answer
    x = 257,397.09

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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.