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Finding the Fourth Proportional to 567.64, 851.66 and 324.37

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Solution

The fourth proportional to 567.64, 851.66 and 324.37 is: 486.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.64 : 851.66 = 324.37 : x
  2. Step 2: Convert to fraction form
    567.64/851.66 = 324.37/x
  3. Step 3: Cross multiply
    567.64x = 851.66 × 324.37
  4. Step 4: Simplify right side
    567.64x = 276,247.07
  5. Step 5: Solve for x
    x = 276,247.07/567.64
  6. Step 6: Final answer
    x = 486.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.