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Finding the Fourth Proportional to 322,464.80, 483,551.40 and 144,880.40

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Solution

The fourth proportional to 322,464.80, 483,551.40 and 144,880.40 is: 217,255.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,464.80 : 483,551.40 = 144,880.40 : x
  2. Step 2: Convert to fraction form
    322,464.80/483,551.40 = 144,880.40/x
  3. Step 3: Cross multiply
    322,464.80x = 483,551.40 × 144,880.40
  4. Step 4: Simplify right side
    322,464.80x = 70,057,120,252.56
  5. Step 5: Solve for x
    x = 70,057,120,252.56/322,464.80
  6. Step 6: Final answer
    x = 217,255.09

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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.