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Finding the Fourth Proportional to 504.56, 695.92 and 329.84

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Solution

The fourth proportional to 504.56, 695.92 and 329.84 is: 454.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.56 : 695.92 = 329.84 : x
  2. Step 2: Convert to fraction form
    504.56/695.92 = 329.84/x
  3. Step 3: Cross multiply
    504.56x = 695.92 × 329.84
  4. Step 4: Simplify right side
    504.56x = 229,542.25
  5. Step 5: Solve for x
    x = 229,542.25/504.56
  6. Step 6: Final answer
    x = 454.94

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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.