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Finding the Fourth Proportional to 923.00, 1,273.46 and 529.88

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Solution

The fourth proportional to 923.00, 1,273.46 and 529.88 is: 731.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    923.00 : 1,273.46 = 529.88 : x
  2. Step 2: Convert to fraction form
    923.00/1,273.46 = 529.88/x
  3. Step 3: Cross multiply
    923.00x = 1,273.46 × 529.88
  4. Step 4: Simplify right side
    923.00x = 674,771.97
  5. Step 5: Solve for x
    x = 674,771.97/923.00
  6. Step 6: Final answer
    x = 731.07

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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.