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Finding the Fourth Proportional to 544.61, 751.23 and 474.84

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Solution

The fourth proportional to 544.61, 751.23 and 474.84 is: 654.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.61 : 751.23 = 474.84 : x
  2. Step 2: Convert to fraction form
    544.61/751.23 = 474.84/x
  3. Step 3: Cross multiply
    544.61x = 751.23 × 474.84
  4. Step 4: Simplify right side
    544.61x = 356,714.05
  5. Step 5: Solve for x
    x = 356,714.05/544.61
  6. Step 6: Final answer
    x = 654.99

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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.