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Finding the Fourth Proportional to 433.14, 597.60 and 315.48

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Solution

The fourth proportional to 433.14, 597.60 and 315.48 is: 435.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.14 : 597.60 = 315.48 : x
  2. Step 2: Convert to fraction form
    433.14/597.60 = 315.48/x
  3. Step 3: Cross multiply
    433.14x = 597.60 × 315.48
  4. Step 4: Simplify right side
    433.14x = 188,530.85
  5. Step 5: Solve for x
    x = 188,530.85/433.14
  6. Step 6: Final answer
    x = 435.27

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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.