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Finding the Fourth Proportional to 614.52, 925.36 and 453.33

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Solution

The fourth proportional to 614.52, 925.36 and 453.33 is: 682.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.52 : 925.36 = 453.33 : x
  2. Step 2: Convert to fraction form
    614.52/925.36 = 453.33/x
  3. Step 3: Cross multiply
    614.52x = 925.36 × 453.33
  4. Step 4: Simplify right side
    614.52x = 419,492.32
  5. Step 5: Solve for x
    x = 419,492.32/614.52
  6. Step 6: Final answer
    x = 682.63

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.