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Finding the Fourth Proportional to 582, 803.21 and 333.33

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Solution

The fourth proportional to 582, 803.21 and 333.33 is: 460.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    582 : 803.21 = 333.33 : x
  2. Step 2: Convert to fraction form
    582/803.21 = 333.33/x
  3. Step 3: Cross multiply
    582x = 803.21 × 333.33
  4. Step 4: Simplify right side
    582x = 267,732.32
  5. Step 5: Solve for x
    x = 267,732.32/582
  6. Step 6: Final answer
    x = 460.02

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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.