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Finding the Fourth Proportional to 944.16, 1,410.06 and 633.12

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Solution

The fourth proportional to 944.16, 1,410.06 and 633.12 is: 945.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.16 : 1,410.06 = 633.12 : x
  2. Step 2: Convert to fraction form
    944.16/1,410.06 = 633.12/x
  3. Step 3: Cross multiply
    944.16x = 1,410.06 × 633.12
  4. Step 4: Simplify right side
    944.16x = 892,737.19
  5. Step 5: Solve for x
    x = 892,737.19/944.16
  6. Step 6: Final answer
    x = 945.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.