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Finding the Fourth Proportional to 335,824.80, 504,320.40 and 178,360.80

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Solution

The fourth proportional to 335,824.80, 504,320.40 and 178,360.80 is: 267,850.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,824.80 : 504,320.40 = 178,360.80 : x
  2. Step 2: Convert to fraction form
    335,824.80/504,320.40 = 178,360.80/x
  3. Step 3: Cross multiply
    335,824.80x = 504,320.40 × 178,360.80
  4. Step 4: Simplify right side
    335,824.80x = 89,950,990,000.32
  5. Step 5: Solve for x
    x = 89,950,990,000.32/335,824.80
  6. Step 6: Final answer
    x = 267,850.94

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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.