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Finding the Fourth Proportional to 584.44, 805.56 and 501.64

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Solution

The fourth proportional to 584.44, 805.56 and 501.64 is: 691.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.44 : 805.56 = 501.64 : x
  2. Step 2: Convert to fraction form
    584.44/805.56 = 501.64/x
  3. Step 3: Cross multiply
    584.44x = 805.56 × 501.64
  4. Step 4: Simplify right side
    584.44x = 404,101.12
  5. Step 5: Solve for x
    x = 404,101.12/584.44
  6. Step 6: Final answer
    x = 691.43

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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.