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Finding the Fourth Proportional to 955.31, 1,433.12 and 468

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Solution

The fourth proportional to 955.31, 1,433.12 and 468 is: 702.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    955.31 : 1,433.12 = 468 : x
  2. Step 2: Convert to fraction form
    955.31/1,433.12 = 468/x
  3. Step 3: Cross multiply
    955.31x = 1,433.12 × 468
  4. Step 4: Simplify right side
    955.31x = 670,697.82
  5. Step 5: Solve for x
    x = 670,697.82/955.31
  6. Step 6: Final answer
    x = 702.08

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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.