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Finding the Fourth Proportional to 692.29, 955.72 and 534.58

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Solution

The fourth proportional to 692.29, 955.72 and 534.58 is: 738.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    692.29 : 955.72 = 534.58 : x
  2. Step 2: Convert to fraction form
    692.29/955.72 = 534.58/x
  3. Step 3: Cross multiply
    692.29x = 955.72 × 534.58
  4. Step 4: Simplify right side
    692.29x = 510,908.80
  5. Step 5: Solve for x
    x = 510,908.80/692.29
  6. Step 6: Final answer
    x = 738.00

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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.