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Finding the Fourth Proportional to 476,771.44, 713,976.16 and 326,491.72

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Solution

The fourth proportional to 476,771.44, 713,976.16 and 326,491.72 is: 488,928.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,771.44 : 713,976.16 = 326,491.72 : x
  2. Step 2: Convert to fraction form
    476,771.44/713,976.16 = 326,491.72/x
  3. Step 3: Cross multiply
    476,771.44x = 713,976.16 × 326,491.72
  4. Step 4: Simplify right side
    476,771.44x = 233,107,304,517.40
  5. Step 5: Solve for x
    x = 233,107,304,517.40/476,771.44
  6. Step 6: Final answer
    x = 488,928.83

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1.5x scale

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.