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Finding the Fourth Proportional to 461.36, 691.94 and 296.35

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Solution

The fourth proportional to 461.36, 691.94 and 296.35 is: 444.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    461.36 : 691.94 = 296.35 : x
  2. Step 2: Convert to fraction form
    461.36/691.94 = 296.35/x
  3. Step 3: Cross multiply
    461.36x = 691.94 × 296.35
  4. Step 4: Simplify right side
    461.36x = 205,055.43
  5. Step 5: Solve for x
    x = 205,055.43/461.36
  6. Step 6: Final answer
    x = 444.46

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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.