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Finding the Fourth Proportional to 368,328.60, 552,687.30 and 168,679.80

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Solution

The fourth proportional to 368,328.60, 552,687.30 and 168,679.80 is: 253,108.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,328.60 : 552,687.30 = 168,679.80 : x
  2. Step 2: Convert to fraction form
    368,328.60/552,687.30 = 168,679.80/x
  3. Step 3: Cross multiply
    368,328.60x = 552,687.30 × 168,679.80
  4. Step 4: Simplify right side
    368,328.60x = 93,227,183,226.54
  5. Step 5: Solve for x
    x = 93,227,183,226.54/368,328.60
  6. Step 6: Final answer
    x = 253,108.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.