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Finding the Fourth Proportional to 535.39, 802.47 and 246.22

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Solution

The fourth proportional to 535.39, 802.47 and 246.22 is: 369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.39 : 802.47 = 246.22 : x
  2. Step 2: Convert to fraction form
    535.39/802.47 = 246.22/x
  3. Step 3: Cross multiply
    535.39x = 802.47 × 246.22
  4. Step 4: Simplify right side
    535.39x = 197,586.17
  5. Step 5: Solve for x
    x = 197,586.17/535.39
  6. Step 6: Final answer
    x = 369.05

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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.