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Finding the Fourth Proportional to 692.56, 955.48 and 632.08

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Solution

The fourth proportional to 692.56, 955.48 and 632.08 is: 872.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    692.56 : 955.48 = 632.08 : x
  2. Step 2: Convert to fraction form
    692.56/955.48 = 632.08/x
  3. Step 3: Cross multiply
    692.56x = 955.48 × 632.08
  4. Step 4: Simplify right side
    692.56x = 603,939.80
  5. Step 5: Solve for x
    x = 603,939.80/692.56
  6. Step 6: Final answer
    x = 872.04

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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.