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Finding the Fourth Proportional to 322.66, 483.47 and 235.59

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Solution

The fourth proportional to 322.66, 483.47 and 235.59 is: 353.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.66 : 483.47 = 235.59 : x
  2. Step 2: Convert to fraction form
    322.66/483.47 = 235.59/x
  3. Step 3: Cross multiply
    322.66x = 483.47 × 235.59
  4. Step 4: Simplify right side
    322.66x = 113,901.31
  5. Step 5: Solve for x
    x = 113,901.31/322.66
  6. Step 6: Final answer
    x = 353.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.