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Finding the Fourth Proportional to 701.84, 967.55 and 502.61

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Solution

The fourth proportional to 701.84, 967.55 and 502.61 is: 692.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.84 : 967.55 = 502.61 : x
  2. Step 2: Convert to fraction form
    701.84/967.55 = 502.61/x
  3. Step 3: Cross multiply
    701.84x = 967.55 × 502.61
  4. Step 4: Simplify right side
    701.84x = 486,292.95
  5. Step 5: Solve for x
    x = 486,292.95/701.84
  6. Step 6: Final answer
    x = 692.89

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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.