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Finding the Fourth Proportional to 963.22, 1,445.29 and 597.90

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Solution

The fourth proportional to 963.22, 1,445.29 and 597.90 is: 897.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    963.22 : 1,445.29 = 597.90 : x
  2. Step 2: Convert to fraction form
    963.22/1,445.29 = 597.90/x
  3. Step 3: Cross multiply
    963.22x = 1,445.29 × 597.90
  4. Step 4: Simplify right side
    963.22x = 864,138.89
  5. Step 5: Solve for x
    x = 864,138.89/963.22
  6. Step 6: Final answer
    x = 897.14

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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.