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Finding the Fourth Proportional to 501.92, 692.30 and 460.61

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Solution

The fourth proportional to 501.92, 692.30 and 460.61 is: 635.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.92 : 692.30 = 460.61 : x
  2. Step 2: Convert to fraction form
    501.92/692.30 = 460.61/x
  3. Step 3: Cross multiply
    501.92x = 692.30 × 460.61
  4. Step 4: Simplify right side
    501.92x = 318,874.54
  5. Step 5: Solve for x
    x = 318,874.54/501.92
  6. Step 6: Final answer
    x = 635.32

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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.