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Finding the Fourth Proportional to 629.40, 944.10 and 467.40

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Solution

The fourth proportional to 629.40, 944.10 and 467.40 is: 701.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.40 : 944.10 = 467.40 : x
  2. Step 2: Convert to fraction form
    629.40/944.10 = 467.40/x
  3. Step 3: Cross multiply
    629.40x = 944.10 × 467.40
  4. Step 4: Simplify right side
    629.40x = 441,272.34
  5. Step 5: Solve for x
    x = 441,272.34/629.40
  6. Step 6: Final answer
    x = 701.10

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Similar ratio
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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.