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Finding the Fourth Proportional to 336,704.20, 504,656.70 and 178,851.40

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Solution

The fourth proportional to 336,704.20, 504,656.70 and 178,851.40 is: 268,064.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,704.20 : 504,656.70 = 178,851.40 : x
  2. Step 2: Convert to fraction form
    336,704.20/504,656.70 = 178,851.40/x
  3. Step 3: Cross multiply
    336,704.20x = 504,656.70 × 178,851.40
  4. Step 4: Simplify right side
    336,704.20x = 90,258,557,314.38
  5. Step 5: Solve for x
    x = 90,258,557,314.38/336,704.20
  6. Step 6: Final answer
    x = 268,064.84

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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.