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Finding the Fourth Proportional to 567.12, 851 and 534.48

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Solution

The fourth proportional to 567.12, 851 and 534.48 is: 802.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.12 : 851 = 534.48 : x
  2. Step 2: Convert to fraction form
    567.12/851 = 534.48/x
  3. Step 3: Cross multiply
    567.12x = 851 × 534.48
  4. Step 4: Simplify right side
    567.12x = 454,842.48
  5. Step 5: Solve for x
    x = 454,842.48/567.12
  6. Step 6: Final answer
    x = 802.02

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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.