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Finding the Fourth Proportional to 444,218.40, 613,015.92 and 253,225.44

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Solution

The fourth proportional to 444,218.40, 613,015.92 and 253,225.44 is: 349,447.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,218.40 : 613,015.92 = 253,225.44 : x
  2. Step 2: Convert to fraction form
    444,218.40/613,015.92 = 253,225.44/x
  3. Step 3: Cross multiply
    444,218.40x = 613,015.92 × 253,225.44
  4. Step 4: Simplify right side
    444,218.40x = 155,231,226,069.01
  5. Step 5: Solve for x
    x = 155,231,226,069.01/444,218.40
  6. Step 6: Final answer
    x = 349,447.99

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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.