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Finding the Fourth Proportional to 474.54, 711.45 and 352.14

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Solution

The fourth proportional to 474.54, 711.45 and 352.14 is: 527.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.54 : 711.45 = 352.14 : x
  2. Step 2: Convert to fraction form
    474.54/711.45 = 352.14/x
  3. Step 3: Cross multiply
    474.54x = 711.45 × 352.14
  4. Step 4: Simplify right side
    474.54x = 250,530.00
  5. Step 5: Solve for x
    x = 250,530.00/474.54
  6. Step 6: Final answer
    x = 527.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.