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Finding the Fourth Proportional to 567.99, 847.66 and 553.41

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Solution

The fourth proportional to 567.99, 847.66 and 553.41 is: 825.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.99 : 847.66 = 553.41 : x
  2. Step 2: Convert to fraction form
    567.99/847.66 = 553.41/x
  3. Step 3: Cross multiply
    567.99x = 847.66 × 553.41
  4. Step 4: Simplify right side
    567.99x = 469,103.52
  5. Step 5: Solve for x
    x = 469,103.52/567.99
  6. Step 6: Final answer
    x = 825.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.