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Finding the Fourth Proportional to 624.46, 936.60 and 364.36

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Solution

The fourth proportional to 624.46, 936.60 and 364.36 is: 546.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.46 : 936.60 = 364.36 : x
  2. Step 2: Convert to fraction form
    624.46/936.60 = 364.36/x
  3. Step 3: Cross multiply
    624.46x = 936.60 × 364.36
  4. Step 4: Simplify right side
    624.46x = 341,259.58
  5. Step 5: Solve for x
    x = 341,259.58/624.46
  6. Step 6: Final answer
    x = 546.49

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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.