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Finding the Fourth Proportional to 544.36, 751.28 and 358.01

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Solution

The fourth proportional to 544.36, 751.28 and 358.01 is: 494.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.36 : 751.28 = 358.01 : x
  2. Step 2: Convert to fraction form
    544.36/751.28 = 358.01/x
  3. Step 3: Cross multiply
    544.36x = 751.28 × 358.01
  4. Step 4: Simplify right side
    544.36x = 268,962.89
  5. Step 5: Solve for x
    x = 268,962.89/544.36
  6. Step 6: Final answer
    x = 494.09

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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.