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Finding the Fourth Proportional to 462.08, 692.95 and 188.02

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Solution

The fourth proportional to 462.08, 692.95 and 188.02 is: 281.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.08 : 692.95 = 188.02 : x
  2. Step 2: Convert to fraction form
    462.08/692.95 = 188.02/x
  3. Step 3: Cross multiply
    462.08x = 692.95 × 188.02
  4. Step 4: Simplify right side
    462.08x = 130,287.20
  5. Step 5: Solve for x
    x = 130,287.20/462.08
  6. Step 6: Final answer
    x = 281.96

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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.