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Finding the Fourth Proportional to 481,162.32, 663,965.64 and 266,298.48

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Solution

The fourth proportional to 481,162.32, 663,965.64 and 266,298.48 is: 367,470.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,162.32 : 663,965.64 = 266,298.48 : x
  2. Step 2: Convert to fraction form
    481,162.32/663,965.64 = 266,298.48/x
  3. Step 3: Cross multiply
    481,162.32x = 663,965.64 × 266,298.48
  4. Step 4: Simplify right side
    481,162.32x = 176,813,040,704.23
  5. Step 5: Solve for x
    x = 176,813,040,704.23/481,162.32
  6. Step 6: Final answer
    x = 367,470.67

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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.