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Finding the Fourth Proportional to 591.68, 816.58 and 444.04

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Solution

The fourth proportional to 591.68, 816.58 and 444.04 is: 612.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.68 : 816.58 = 444.04 : x
  2. Step 2: Convert to fraction form
    591.68/816.58 = 444.04/x
  3. Step 3: Cross multiply
    591.68x = 816.58 × 444.04
  4. Step 4: Simplify right side
    591.68x = 362,594.18
  5. Step 5: Solve for x
    x = 362,594.18/591.68
  6. Step 6: Final answer
    x = 612.82

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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.