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Finding the Fourth Proportional to 462.12, 692.27 and 384.24

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Solution

The fourth proportional to 462.12, 692.27 and 384.24 is: 575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.12 : 692.27 = 384.24 : x
  2. Step 2: Convert to fraction form
    462.12/692.27 = 384.24/x
  3. Step 3: Cross multiply
    462.12x = 692.27 × 384.24
  4. Step 4: Simplify right side
    462.12x = 265,997.82
  5. Step 5: Solve for x
    x = 265,997.82/462.12
  6. Step 6: Final answer
    x = 575.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.