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Finding the Fourth Proportional to 304,644.60, 420,380.35 and 168,673.58

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Solution

The fourth proportional to 304,644.60, 420,380.35 and 168,673.58 is: 232,753.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,644.60 : 420,380.35 = 168,673.58 : x
  2. Step 2: Convert to fraction form
    304,644.60/420,380.35 = 168,673.58/x
  3. Step 3: Cross multiply
    304,644.60x = 420,380.35 × 168,673.58
  4. Step 4: Simplify right side
    304,644.60x = 70,907,058,596.15
  5. Step 5: Solve for x
    x = 70,907,058,596.15/304,644.60
  6. Step 6: Final answer
    x = 232,753.37

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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.