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Finding the Fourth Proportional to 614.53, 846.41 and 531.64

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Solution

The fourth proportional to 614.53, 846.41 and 531.64 is: 732.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.53 : 846.41 = 531.64 : x
  2. Step 2: Convert to fraction form
    614.53/846.41 = 531.64/x
  3. Step 3: Cross multiply
    614.53x = 846.41 × 531.64
  4. Step 4: Simplify right side
    614.53x = 449,980.64
  5. Step 5: Solve for x
    x = 449,980.64/614.53
  6. Step 6: Final answer
    x = 732.24

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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.