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Finding the Fourth Proportional to 547.54, 756.06 and 464.92

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Solution

The fourth proportional to 547.54, 756.06 and 464.92 is: 641.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    547.54 : 756.06 = 464.92 : x
  2. Step 2: Convert to fraction form
    547.54/756.06 = 464.92/x
  3. Step 3: Cross multiply
    547.54x = 756.06 × 464.92
  4. Step 4: Simplify right side
    547.54x = 351,507.42
  5. Step 5: Solve for x
    x = 351,507.42/547.54
  6. Step 6: Final answer
    x = 641.98

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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.