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Finding the Fourth Proportional to 567.55, 849.53 and 393.33

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Solution

The fourth proportional to 567.55, 849.53 and 393.33 is: 588.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.55 : 849.53 = 393.33 : x
  2. Step 2: Convert to fraction form
    567.55/849.53 = 393.33/x
  3. Step 3: Cross multiply
    567.55x = 849.53 × 393.33
  4. Step 4: Simplify right side
    567.55x = 334,146.62
  5. Step 5: Solve for x
    x = 334,146.62/567.55
  6. Step 6: Final answer
    x = 588.76

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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.