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Finding the Fourth Proportional to 294,539.92, 406,481.34 and 173,752

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Solution

The fourth proportional to 294,539.92, 406,481.34 and 173,752 is: 239,787.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,539.92 : 406,481.34 = 173,752 : x
  2. Step 2: Convert to fraction form
    294,539.92/406,481.34 = 173,752/x
  3. Step 3: Cross multiply
    294,539.92x = 406,481.34 × 173,752
  4. Step 4: Simplify right side
    294,539.92x = 70,626,945,787.68
  5. Step 5: Solve for x
    x = 70,626,945,787.68/294,539.92
  6. Step 6: Final answer
    x = 239,787.35

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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.