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Finding the Fourth Proportional to 462, 637.36 and 352

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Solution

The fourth proportional to 462, 637.36 and 352 is: 485.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    462 : 637.36 = 352 : x
  2. Step 2: Convert to fraction form
    462/637.36 = 352/x
  3. Step 3: Cross multiply
    462x = 637.36 × 352
  4. Step 4: Simplify right side
    462x = 224,350.72
  5. Step 5: Solve for x
    x = 224,350.72/462
  6. Step 6: Final answer
    x = 485.61

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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.