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Finding the Fourth Proportional to 433.49, 597.30 and 357.96

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Solution

The fourth proportional to 433.49, 597.30 and 357.96 is: 493.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.49 : 597.30 = 357.96 : x
  2. Step 2: Convert to fraction form
    433.49/597.30 = 357.96/x
  3. Step 3: Cross multiply
    433.49x = 597.30 × 357.96
  4. Step 4: Simplify right side
    433.49x = 213,809.51
  5. Step 5: Solve for x
    x = 213,809.51/433.49
  6. Step 6: Final answer
    x = 493.23

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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.