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Finding the Fourth Proportional to 444,633.76, 613,536.88 and 253,635.76

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Solution

The fourth proportional to 444,633.76, 613,536.88 and 253,635.76 is: 349,984.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,633.76 : 613,536.88 = 253,635.76 : x
  2. Step 2: Convert to fraction form
    444,633.76/613,536.88 = 253,635.76/x
  3. Step 3: Cross multiply
    444,633.76x = 613,536.88 × 253,635.76
  4. Step 4: Simplify right side
    444,633.76x = 155,614,892,846.83
  5. Step 5: Solve for x
    x = 155,614,892,846.83/444,633.76
  6. Step 6: Final answer
    x = 349,984.43

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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.