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Finding the Fourth Proportional to 335,729.80, 504,177.90 and 178,265.80

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Solution

The fourth proportional to 335,729.80, 504,177.90 and 178,265.80 is: 267,708.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,729.80 : 504,177.90 = 178,265.80 : x
  2. Step 2: Convert to fraction form
    335,729.80/504,177.90 = 178,265.80/x
  3. Step 3: Cross multiply
    335,729.80x = 504,177.90 × 178,265.80
  4. Step 4: Simplify right side
    335,729.80x = 89,877,676,685.82
  5. Step 5: Solve for x
    x = 89,877,676,685.82/335,729.80
  6. Step 6: Final answer
    x = 267,708.37

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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.