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Finding the Fourth Proportional to 955.02, 1,431.18 and 468.41

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Solution

The fourth proportional to 955.02, 1,431.18 and 468.41 is: 701.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    955.02 : 1,431.18 = 468.41 : x
  2. Step 2: Convert to fraction form
    955.02/1,431.18 = 468.41/x
  3. Step 3: Cross multiply
    955.02x = 1,431.18 × 468.41
  4. Step 4: Simplify right side
    955.02x = 670,379.02
  5. Step 5: Solve for x
    x = 670,379.02/955.02
  6. Step 6: Final answer
    x = 701.95

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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.