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Finding the Fourth Proportional to 943.36, 1,414.32 and 602.08

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Solution

The fourth proportional to 943.36, 1,414.32 and 602.08 is: 902.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    943.36 : 1,414.32 = 602.08 : x
  2. Step 2: Convert to fraction form
    943.36/1,414.32 = 602.08/x
  3. Step 3: Cross multiply
    943.36x = 1,414.32 × 602.08
  4. Step 4: Simplify right side
    943.36x = 851,533.79
  5. Step 5: Solve for x
    x = 851,533.79/943.36
  6. Step 6: Final answer
    x = 902.66

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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.