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Finding the Fourth Proportional to 692.52, 955.64 and 526.84

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Solution

The fourth proportional to 692.52, 955.64 and 526.84 is: 727.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    692.52 : 955.64 = 526.84 : x
  2. Step 2: Convert to fraction form
    692.52/955.64 = 526.84/x
  3. Step 3: Cross multiply
    692.52x = 955.64 × 526.84
  4. Step 4: Simplify right side
    692.52x = 503,469.38
  5. Step 5: Solve for x
    x = 503,469.38/692.52
  6. Step 6: Final answer
    x = 727.01

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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.