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Finding the Fourth Proportional to 692.67, 954.16 and 482.48

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Solution

The fourth proportional to 692.67, 954.16 and 482.48 is: 664.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    692.67 : 954.16 = 482.48 : x
  2. Step 2: Convert to fraction form
    692.67/954.16 = 482.48/x
  3. Step 3: Cross multiply
    692.67x = 954.16 × 482.48
  4. Step 4: Simplify right side
    692.67x = 460,358.35
  5. Step 5: Solve for x
    x = 460,358.35/692.67
  6. Step 6: Final answer
    x = 664.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.