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Finding the Fourth Proportional to 595.17, 821.38 and 333.22

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Solution

The fourth proportional to 595.17, 821.38 and 333.22 is: 459.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.17 : 821.38 = 333.22 : x
  2. Step 2: Convert to fraction form
    595.17/821.38 = 333.22/x
  3. Step 3: Cross multiply
    595.17x = 821.38 × 333.22
  4. Step 4: Simplify right side
    595.17x = 273,700.24
  5. Step 5: Solve for x
    x = 273,700.24/595.17
  6. Step 6: Final answer
    x = 459.87

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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.