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Finding the Fourth Proportional to 358,296.74, 536,669.83 and 168,472.65

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Solution

The fourth proportional to 358,296.74, 536,669.83 and 168,472.65 is: 252,344.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,296.74 : 536,669.83 = 168,472.65 : x
  2. Step 2: Convert to fraction form
    358,296.74/536,669.83 = 168,472.65/x
  3. Step 3: Cross multiply
    358,296.74x = 536,669.83 × 168,472.65
  4. Step 4: Simplify right side
    358,296.74x = 90,414,188,435.15
  5. Step 5: Solve for x
    x = 90,414,188,435.15/358,296.74
  6. Step 6: Final answer
    x = 252,344.44

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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.