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Finding the Fourth Proportional to 472.44, 708.48 and 351.60

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Solution

The fourth proportional to 472.44, 708.48 and 351.60 is: 527.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.44 : 708.48 = 351.60 : x
  2. Step 2: Convert to fraction form
    472.44/708.48 = 351.60/x
  3. Step 3: Cross multiply
    472.44x = 708.48 × 351.60
  4. Step 4: Simplify right side
    472.44x = 249,101.57
  5. Step 5: Solve for x
    x = 249,101.57/472.44
  6. Step 6: Final answer
    x = 527.27

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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.