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Finding the Fourth Proportional to 944.19, 1,415.73 and 632.19

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Solution

The fourth proportional to 944.19, 1,415.73 and 632.19 is: 947.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.19 : 1,415.73 = 632.19 : x
  2. Step 2: Convert to fraction form
    944.19/1,415.73 = 632.19/x
  3. Step 3: Cross multiply
    944.19x = 1,415.73 × 632.19
  4. Step 4: Simplify right side
    944.19x = 895,003.27
  5. Step 5: Solve for x
    x = 895,003.27/944.19
  6. Step 6: Final answer
    x = 947.91

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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.