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Finding the Fourth Proportional to 461.59, 692.20 and 296.83

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Solution

The fourth proportional to 461.59, 692.20 and 296.83 is: 445.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    461.59 : 692.20 = 296.83 : x
  2. Step 2: Convert to fraction form
    461.59/692.20 = 296.83/x
  3. Step 3: Cross multiply
    461.59x = 692.20 × 296.83
  4. Step 4: Simplify right side
    461.59x = 205,465.73
  5. Step 5: Solve for x
    x = 205,465.73/461.59
  6. Step 6: Final answer
    x = 445.13

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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.