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Finding the Fourth Proportional to 535.18, 802.66 and 246.54

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Solution

The fourth proportional to 535.18, 802.66 and 246.54 is: 369.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.18 : 802.66 = 246.54 : x
  2. Step 2: Convert to fraction form
    535.18/802.66 = 246.54/x
  3. Step 3: Cross multiply
    535.18x = 802.66 × 246.54
  4. Step 4: Simplify right side
    535.18x = 197,887.80
  5. Step 5: Solve for x
    x = 197,887.80/535.18
  6. Step 6: Final answer
    x = 369.76

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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.