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Finding the Fourth Proportional to 483.92, 726.06 and 210.04

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Solution

The fourth proportional to 483.92, 726.06 and 210.04 is: 315.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.92 : 726.06 = 210.04 : x
  2. Step 2: Convert to fraction form
    483.92/726.06 = 210.04/x
  3. Step 3: Cross multiply
    483.92x = 726.06 × 210.04
  4. Step 4: Simplify right side
    483.92x = 152,504.70
  5. Step 5: Solve for x
    x = 152,504.70/483.92
  6. Step 6: Final answer
    x = 315.14

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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.