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Finding the Fourth Proportional to 436.86, 602.37 and 325.98

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Solution

The fourth proportional to 436.86, 602.37 and 325.98 is: 449.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.86 : 602.37 = 325.98 : x
  2. Step 2: Convert to fraction form
    436.86/602.37 = 325.98/x
  3. Step 3: Cross multiply
    436.86x = 602.37 × 325.98
  4. Step 4: Simplify right side
    436.86x = 196,360.57
  5. Step 5: Solve for x
    x = 196,360.57/436.86
  6. Step 6: Final answer
    x = 449.48

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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.