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Finding the Fourth Proportional to 924.00, 1,274.90 and 551.09

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Solution

The fourth proportional to 924.00, 1,274.90 and 551.09 is: 760.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.00 : 1,274.90 = 551.09 : x
  2. Step 2: Convert to fraction form
    924.00/1,274.90 = 551.09/x
  3. Step 3: Cross multiply
    924.00x = 1,274.90 × 551.09
  4. Step 4: Simplify right side
    924.00x = 702,584.64
  5. Step 5: Solve for x
    x = 702,584.64/924.00
  6. Step 6: Final answer
    x = 760.38

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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.