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Finding the Fourth Proportional to 614.30, 847.64 and 365.62

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Solution

The fourth proportional to 614.30, 847.64 and 365.62 is: 504.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.30 : 847.64 = 365.62 : x
  2. Step 2: Convert to fraction form
    614.30/847.64 = 365.62/x
  3. Step 3: Cross multiply
    614.30x = 847.64 × 365.62
  4. Step 4: Simplify right side
    614.30x = 309,914.14
  5. Step 5: Solve for x
    x = 309,914.14/614.30
  6. Step 6: Final answer
    x = 504.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.