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Finding the Fourth Proportional to 444.42, 614.37 and 403.92

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Solution

The fourth proportional to 444.42, 614.37 and 403.92 is: 558.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.42 : 614.37 = 403.92 : x
  2. Step 2: Convert to fraction form
    444.42/614.37 = 403.92/x
  3. Step 3: Cross multiply
    444.42x = 614.37 × 403.92
  4. Step 4: Simplify right side
    444.42x = 248,156.33
  5. Step 5: Solve for x
    x = 248,156.33/444.42
  6. Step 6: Final answer
    x = 558.38

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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.