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Finding the Fourth Proportional to 729.96, 1,094.94 and 296.64

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Solution

The fourth proportional to 729.96, 1,094.94 and 296.64 is: 444.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    729.96 : 1,094.94 = 296.64 : x
  2. Step 2: Convert to fraction form
    729.96/1,094.94 = 296.64/x
  3. Step 3: Cross multiply
    729.96x = 1,094.94 × 296.64
  4. Step 4: Simplify right side
    729.96x = 324,803.00
  5. Step 5: Solve for x
    x = 324,803.00/729.96
  6. Step 6: Final answer
    x = 444.96

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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.