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Finding the Fourth Proportional to 601.14, 829.41 and 453.42

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Solution

The fourth proportional to 601.14, 829.41 and 453.42 is: 625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.14 : 829.41 = 453.42 : x
  2. Step 2: Convert to fraction form
    601.14/829.41 = 453.42/x
  3. Step 3: Cross multiply
    601.14x = 829.41 × 453.42
  4. Step 4: Simplify right side
    601.14x = 376,071.08
  5. Step 5: Solve for x
    x = 376,071.08/601.14
  6. Step 6: Final answer
    x = 625.60

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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.