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Finding the Fourth Proportional to 584.24, 805.39 and 459.66

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Solution

The fourth proportional to 584.24, 805.39 and 459.66 is: 633.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.24 : 805.39 = 459.66 : x
  2. Step 2: Convert to fraction form
    584.24/805.39 = 459.66/x
  3. Step 3: Cross multiply
    584.24x = 805.39 × 459.66
  4. Step 4: Simplify right side
    584.24x = 370,208.89
  5. Step 5: Solve for x
    x = 370,208.89/584.24
  6. Step 6: Final answer
    x = 633.66

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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.