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Finding the Fourth Proportional to 944.33, 1,416.50 and 328.04

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Solution

The fourth proportional to 944.33, 1,416.50 and 328.04 is: 492.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.33 : 1,416.50 = 328.04 : x
  2. Step 2: Convert to fraction form
    944.33/1,416.50 = 328.04/x
  3. Step 3: Cross multiply
    944.33x = 1,416.50 × 328.04
  4. Step 4: Simplify right side
    944.33x = 464,666.48
  5. Step 5: Solve for x
    x = 464,666.48/944.33
  6. Step 6: Final answer
    x = 492.06

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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.