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Finding the Fourth Proportional to 296.67, 444.60 and 296.40

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Solution

The fourth proportional to 296.67, 444.60 and 296.40 is: 444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.67 : 444.60 = 296.40 : x
  2. Step 2: Convert to fraction form
    296.67/444.60 = 296.40/x
  3. Step 3: Cross multiply
    296.67x = 444.60 × 296.40
  4. Step 4: Simplify right side
    296.67x = 131,779.44
  5. Step 5: Solve for x
    x = 131,779.44/296.67
  6. Step 6: Final answer
    x = 444.20

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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.