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Finding the Fourth Proportional to 441,935.20, 663,133.20 and 192,642.40

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Solution

The fourth proportional to 441,935.20, 663,133.20 and 192,642.40 is: 289,064.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,935.20 : 663,133.20 = 192,642.40 : x
  2. Step 2: Convert to fraction form
    441,935.20/663,133.20 = 192,642.40/x
  3. Step 3: Cross multiply
    441,935.20x = 663,133.20 × 192,642.40
  4. Step 4: Simplify right side
    441,935.20x = 127,747,571,167.68
  5. Step 5: Solve for x
    x = 127,747,571,167.68/441,935.20
  6. Step 6: Final answer
    x = 289,064.03

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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.