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Finding the Fourth Proportional to 692.37, 1,036.85 and 537.00

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Solution

The fourth proportional to 692.37, 1,036.85 and 537.00 is: 804.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    692.37 : 1,036.85 = 537.00 : x
  2. Step 2: Convert to fraction form
    692.37/1,036.85 = 537.00/x
  3. Step 3: Cross multiply
    692.37x = 1,036.85 × 537.00
  4. Step 4: Simplify right side
    692.37x = 556,791.00
  5. Step 5: Solve for x
    x = 556,791.00/692.37
  6. Step 6: Final answer
    x = 804.18

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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.