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Finding the Fourth Proportional to 502, 692.82 and 295

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Solution

The fourth proportional to 502, 692.82 and 295 is: 407.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    502 : 692.82 = 295 : x
  2. Step 2: Convert to fraction form
    502/692.82 = 295/x
  3. Step 3: Cross multiply
    502x = 692.82 × 295
  4. Step 4: Simplify right side
    502x = 204,381.90
  5. Step 5: Solve for x
    x = 204,381.90/502
  6. Step 6: Final answer
    x = 407.14

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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.