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Finding the Fourth Proportional to 346.03, 477.61 and 233.94

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Solution

The fourth proportional to 346.03, 477.61 and 233.94 is: 322.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.03 : 477.61 = 233.94 : x
  2. Step 2: Convert to fraction form
    346.03/477.61 = 233.94/x
  3. Step 3: Cross multiply
    346.03x = 477.61 × 233.94
  4. Step 4: Simplify right side
    346.03x = 111,732.95
  5. Step 5: Solve for x
    x = 111,732.95/346.03
  6. Step 6: Final answer
    x = 322.90

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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.