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Finding the Fourth Proportional to 692.37, 1,037.44 and 484.53

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Solution

The fourth proportional to 692.37, 1,037.44 and 484.53 is: 726.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    692.37 : 1,037.44 = 484.53 : x
  2. Step 2: Convert to fraction form
    692.37/1,037.44 = 484.53/x
  3. Step 3: Cross multiply
    692.37x = 1,037.44 × 484.53
  4. Step 4: Simplify right side
    692.37x = 502,666.83
  5. Step 5: Solve for x
    x = 502,666.83/692.37
  6. Step 6: Final answer
    x = 726.01

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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.