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Finding the Fourth Proportional to 567.31, 850.78 and 530.41

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Solution

The fourth proportional to 567.31, 850.78 and 530.41 is: 795.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.31 : 850.78 = 530.41 : x
  2. Step 2: Convert to fraction form
    567.31/850.78 = 530.41/x
  3. Step 3: Cross multiply
    567.31x = 850.78 × 530.41
  4. Step 4: Simplify right side
    567.31x = 451,255.31
  5. Step 5: Solve for x
    x = 451,255.31/567.31
  6. Step 6: Final answer
    x = 795.43

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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.