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Finding the Fourth Proportional to 582.05, 803.32 and 333.45

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Solution

The fourth proportional to 582.05, 803.32 and 333.45 is: 460.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.05 : 803.32 = 333.45 : x
  2. Step 2: Convert to fraction form
    582.05/803.32 = 333.45/x
  3. Step 3: Cross multiply
    582.05x = 803.32 × 333.45
  4. Step 4: Simplify right side
    582.05x = 267,866.22
  5. Step 5: Solve for x
    x = 267,866.22/582.05
  6. Step 6: Final answer
    x = 460.21

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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.