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Finding the Fourth Proportional to 535.44, 737.16 and 457.68

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Solution

The fourth proportional to 535.44, 737.16 and 457.68 is: 630.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.44 : 737.16 = 457.68 : x
  2. Step 2: Convert to fraction form
    535.44/737.16 = 457.68/x
  3. Step 3: Cross multiply
    535.44x = 737.16 × 457.68
  4. Step 4: Simplify right side
    535.44x = 337,383.39
  5. Step 5: Solve for x
    x = 337,383.39/535.44
  6. Step 6: Final answer
    x = 630.10

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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.