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Finding the Fourth Proportional to 462.10, 692.60 and 230.92

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Solution

The fourth proportional to 462.10, 692.60 and 230.92 is: 346.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.10 : 692.60 = 230.92 : x
  2. Step 2: Convert to fraction form
    462.10/692.60 = 230.92/x
  3. Step 3: Cross multiply
    462.10x = 692.60 × 230.92
  4. Step 4: Simplify right side
    462.10x = 159,935.19
  5. Step 5: Solve for x
    x = 159,935.19/462.10
  6. Step 6: Final answer
    x = 346.11

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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.