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Finding the Fourth Proportional to 482.33, 722.82 and 351.56

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Solution

The fourth proportional to 482.33, 722.82 and 351.56 is: 526.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.33 : 722.82 = 351.56 : x
  2. Step 2: Convert to fraction form
    482.33/722.82 = 351.56/x
  3. Step 3: Cross multiply
    482.33x = 722.82 × 351.56
  4. Step 4: Simplify right side
    482.33x = 254,117.72
  5. Step 5: Solve for x
    x = 254,117.72/482.33
  6. Step 6: Final answer
    x = 526.85

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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.