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Finding the Fourth Proportional to 346.50, 477.96 and 263.52

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Solution

The fourth proportional to 346.50, 477.96 and 263.52 is: 363.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.50 : 477.96 = 263.52 : x
  2. Step 2: Convert to fraction form
    346.50/477.96 = 263.52/x
  3. Step 3: Cross multiply
    346.50x = 477.96 × 263.52
  4. Step 4: Simplify right side
    346.50x = 125,952.02
  5. Step 5: Solve for x
    x = 125,952.02/346.50
  6. Step 6: Final answer
    x = 363.50

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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.