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Finding the Fourth Proportional to 737, 1,016.74 and 457.32

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Solution

The fourth proportional to 737, 1,016.74 and 457.32 is: 630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    737 : 1,016.74 = 457.32 : x
  2. Step 2: Convert to fraction form
    737/1,016.74 = 457.32/x
  3. Step 3: Cross multiply
    737x = 1,016.74 × 457.32
  4. Step 4: Simplify right side
    737x = 464,975.54
  5. Step 5: Solve for x
    x = 464,975.54/737
  6. Step 6: Final answer
    x = 630.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.