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Finding the Fourth Proportional to 844.01, 1,164.54 and 574.91

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Solution

The fourth proportional to 844.01, 1,164.54 and 574.91 is: 793.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.01 : 1,164.54 = 574.91 : x
  2. Step 2: Convert to fraction form
    844.01/1,164.54 = 574.91/x
  3. Step 3: Cross multiply
    844.01x = 1,164.54 × 574.91
  4. Step 4: Simplify right side
    844.01x = 669,499.87
  5. Step 5: Solve for x
    x = 669,499.87/844.01
  6. Step 6: Final answer
    x = 793.24

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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.