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Finding the Fourth Proportional to 483,357.96, 667,033.65 and 268,518.02

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Solution

The fourth proportional to 483,357.96, 667,033.65 and 268,518.02 is: 370,554.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,357.96 : 667,033.65 = 268,518.02 : x
  2. Step 2: Convert to fraction form
    483,357.96/667,033.65 = 268,518.02/x
  3. Step 3: Cross multiply
    483,357.96x = 667,033.65 × 268,518.02
  4. Step 4: Simplify right side
    483,357.96x = 179,110,551,636.21
  5. Step 5: Solve for x
    x = 179,110,551,636.21/483,357.96
  6. Step 6: Final answer
    x = 370,554.67

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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.