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Finding the Fourth Proportional to 567.91, 851.66 and 554.95

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Solution

The fourth proportional to 567.91, 851.66 and 554.95 is: 832.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.91 : 851.66 = 554.95 : x
  2. Step 2: Convert to fraction form
    567.91/851.66 = 554.95/x
  3. Step 3: Cross multiply
    567.91x = 851.66 × 554.95
  4. Step 4: Simplify right side
    567.91x = 472,623.81
  5. Step 5: Solve for x
    x = 472,623.81/567.91
  6. Step 6: Final answer
    x = 832.22

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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.