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Finding the Fourth Proportional to 452.96, 624.32 and 365.60

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Solution

The fourth proportional to 452.96, 624.32 and 365.60 is: 503.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.96 : 624.32 = 365.60 : x
  2. Step 2: Convert to fraction form
    452.96/624.32 = 365.60/x
  3. Step 3: Cross multiply
    452.96x = 624.32 × 365.60
  4. Step 4: Simplify right side
    452.96x = 228,251.39
  5. Step 5: Solve for x
    x = 228,251.39/452.96
  6. Step 6: Final answer
    x = 503.91

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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.