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Finding the Fourth Proportional to 444,519.72, 613,431 and 253,536.24

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Solution

The fourth proportional to 444,519.72, 613,431 and 253,536.24 is: 349,876.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,519.72 : 613,431 = 253,536.24 : x
  2. Step 2: Convert to fraction form
    444,519.72/613,431 = 253,536.24/x
  3. Step 3: Cross multiply
    444,519.72x = 613,431 × 253,536.24
  4. Step 4: Simplify right side
    444,519.72x = 155,526,989,239.44
  5. Step 5: Solve for x
    x = 155,526,989,239.44/444,519.72
  6. Step 6: Final answer
    x = 349,876.47

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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.