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Finding the Fourth Proportional to 567.48, 850.68 and 519.96

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Solution

The fourth proportional to 567.48, 850.68 and 519.96 is: 779.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.48 : 850.68 = 519.96 : x
  2. Step 2: Convert to fraction form
    567.48/850.68 = 519.96/x
  3. Step 3: Cross multiply
    567.48x = 850.68 × 519.96
  4. Step 4: Simplify right side
    567.48x = 442,319.57
  5. Step 5: Solve for x
    x = 442,319.57/567.48
  6. Step 6: Final answer
    x = 779.45

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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.