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Finding the Fourth Proportional to 472.16, 708.44 and 364.84

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Solution

The fourth proportional to 472.16, 708.44 and 364.84 is: 547.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.16 : 708.44 = 364.84 : x
  2. Step 2: Convert to fraction form
    472.16/708.44 = 364.84/x
  3. Step 3: Cross multiply
    472.16x = 708.44 × 364.84
  4. Step 4: Simplify right side
    472.16x = 258,467.25
  5. Step 5: Solve for x
    x = 258,467.25/472.16
  6. Step 6: Final answer
    x = 547.41

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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.