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Finding the Fourth Proportional to 955.73, 1,434.51 and 591.23

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Solution

The fourth proportional to 955.73, 1,434.51 and 591.23 is: 887.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    955.73 : 1,434.51 = 591.23 : x
  2. Step 2: Convert to fraction form
    955.73/1,434.51 = 591.23/x
  3. Step 3: Cross multiply
    955.73x = 1,434.51 × 591.23
  4. Step 4: Simplify right side
    955.73x = 848,125.35
  5. Step 5: Solve for x
    x = 848,125.35/955.73
  6. Step 6: Final answer
    x = 887.41

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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.