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Finding the Fourth Proportional to 523.53, 722.48 and 302.47

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Solution

The fourth proportional to 523.53, 722.48 and 302.47 is: 417.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    523.53 : 722.48 = 302.47 : x
  2. Step 2: Convert to fraction form
    523.53/722.48 = 302.47/x
  3. Step 3: Cross multiply
    523.53x = 722.48 × 302.47
  4. Step 4: Simplify right side
    523.53x = 218,528.53
  5. Step 5: Solve for x
    x = 218,528.53/523.53
  6. Step 6: Final answer
    x = 417.41

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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.