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Finding the Fourth Proportional to 358,262.38, 536,672.26 and 165,865.62

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Solution

The fourth proportional to 358,262.38, 536,672.26 and 165,865.62 is: 248,464.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,262.38 : 536,672.26 = 165,865.62 : x
  2. Step 2: Convert to fraction form
    358,262.38/536,672.26 = 165,865.62/x
  3. Step 3: Cross multiply
    358,262.38x = 536,672.26 × 165,865.62
  4. Step 4: Simplify right side
    358,262.38x = 89,015,477,141.70
  5. Step 5: Solve for x
    x = 89,015,477,141.70/358,262.38
  6. Step 6: Final answer
    x = 248,464.48

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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.