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Finding the Fourth Proportional to 336,114.80, 504,755.40 and 178,650.80

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Solution

The fourth proportional to 336,114.80, 504,755.40 and 178,650.80 is: 268,286.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,114.80 : 504,755.40 = 178,650.80 : x
  2. Step 2: Convert to fraction form
    336,114.80/504,755.40 = 178,650.80/x
  3. Step 3: Cross multiply
    336,114.80x = 504,755.40 × 178,650.80
  4. Step 4: Simplify right side
    336,114.80x = 90,174,956,014.32
  5. Step 5: Solve for x
    x = 90,174,956,014.32/336,114.80
  6. Step 6: Final answer
    x = 268,286.18

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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.