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Finding the Fourth Proportional to 567.64, 851.46 and 351.64

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Solution

The fourth proportional to 567.64, 851.46 and 351.64 is: 527.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.64 : 851.46 = 351.64 : x
  2. Step 2: Convert to fraction form
    567.64/851.46 = 351.64/x
  3. Step 3: Cross multiply
    567.64x = 851.46 × 351.64
  4. Step 4: Simplify right side
    567.64x = 299,407.39
  5. Step 5: Solve for x
    x = 299,407.39/567.64
  6. Step 6: Final answer
    x = 527.46

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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.