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Finding the Fourth Proportional to 955.90, 1,432.89 and 468.37

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Solution

The fourth proportional to 955.90, 1,432.89 and 468.37 is: 702.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    955.90 : 1,432.89 = 468.37 : x
  2. Step 2: Convert to fraction form
    955.90/1,432.89 = 468.37/x
  3. Step 3: Cross multiply
    955.90x = 1,432.89 × 468.37
  4. Step 4: Simplify right side
    955.90x = 671,122.69
  5. Step 5: Solve for x
    x = 671,122.69/955.90
  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.