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Finding the Fourth Proportional to 472.42, 651.94 and 262.58

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Solution

The fourth proportional to 472.42, 651.94 and 262.58 is: 362.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.42 : 651.94 = 262.58 : x
  2. Step 2: Convert to fraction form
    472.42/651.94 = 262.58/x
  3. Step 3: Cross multiply
    472.42x = 651.94 × 262.58
  4. Step 4: Simplify right side
    472.42x = 171,186.41
  5. Step 5: Solve for x
    x = 171,186.41/472.42
  6. Step 6: Final answer
    x = 362.36

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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.