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Finding the Fourth Proportional to 584.04, 805.96 and 322.05

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Solution

The fourth proportional to 584.04, 805.96 and 322.05 is: 444.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.04 : 805.96 = 322.05 : x
  2. Step 2: Convert to fraction form
    584.04/805.96 = 322.05/x
  3. Step 3: Cross multiply
    584.04x = 805.96 × 322.05
  4. Step 4: Simplify right side
    584.04x = 259,559.42
  5. Step 5: Solve for x
    x = 259,559.42/584.04
  6. Step 6: Final answer
    x = 444.42

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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.