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Finding the Fourth Proportional to 444,892.70, 613,995.76 and 253,934.80

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Solution

The fourth proportional to 444,892.70, 613,995.76 and 253,934.80 is: 350,455.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,892.70 : 613,995.76 = 253,934.80 : x
  2. Step 2: Convert to fraction form
    444,892.70/613,995.76 = 253,934.80/x
  3. Step 3: Cross multiply
    444,892.70x = 613,995.76 × 253,934.80
  4. Step 4: Simplify right side
    444,892.70x = 155,914,889,298.88
  5. Step 5: Solve for x
    x = 155,914,889,298.88/444,892.70
  6. Step 6: Final answer
    x = 350,455.04

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1.5x scale

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.