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Finding the Fourth Proportional to 482.15, 722.72 and 350.06

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Solution

The fourth proportional to 482.15, 722.72 and 350.06 is: 524.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.15 : 722.72 = 350.06 : x
  2. Step 2: Convert to fraction form
    482.15/722.72 = 350.06/x
  3. Step 3: Cross multiply
    482.15x = 722.72 × 350.06
  4. Step 4: Simplify right side
    482.15x = 252,990.66
  5. Step 5: Solve for x
    x = 252,990.66/482.15
  6. Step 6: Final answer
    x = 524.72

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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.