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Finding the Fourth Proportional to 584.32, 806.41 and 436.69

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Solution

The fourth proportional to 584.32, 806.41 and 436.69 is: 602.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.32 : 806.41 = 436.69 : x
  2. Step 2: Convert to fraction form
    584.32/806.41 = 436.69/x
  3. Step 3: Cross multiply
    584.32x = 806.41 × 436.69
  4. Step 4: Simplify right side
    584.32x = 352,153.20
  5. Step 5: Solve for x
    x = 352,153.20/584.32
  6. Step 6: Final answer
    x = 602.68

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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.