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Finding the Fourth Proportional to 461.66, 692.03 and 153.32

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Solution

The fourth proportional to 461.66, 692.03 and 153.32 is: 229.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    461.66 : 692.03 = 153.32 : x
  2. Step 2: Convert to fraction form
    461.66/692.03 = 153.32/x
  3. Step 3: Cross multiply
    461.66x = 692.03 × 153.32
  4. Step 4: Simplify right side
    461.66x = 106,098.96
  5. Step 5: Solve for x
    x = 106,098.96/461.66
  6. Step 6: Final answer
    x = 229.82

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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.