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Finding the Fourth Proportional to 318,393.08, 439,375.74 and 175,150.52

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Solution

The fourth proportional to 318,393.08, 439,375.74 and 175,150.52 is: 241,704.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,393.08 : 439,375.74 = 175,150.52 : x
  2. Step 2: Convert to fraction form
    318,393.08/439,375.74 = 175,150.52/x
  3. Step 3: Cross multiply
    318,393.08x = 439,375.74 × 175,150.52
  4. Step 4: Simplify right side
    318,393.08x = 76,956,889,336.38
  5. Step 5: Solve for x
    x = 76,956,889,336.38/318,393.08
  6. Step 6: Final answer
    x = 241,704.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.