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Finding the Fourth Proportional to 562.58, 775.83 and 352.69

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Solution

The fourth proportional to 562.58, 775.83 and 352.69 is: 486.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.58 : 775.83 = 352.69 : x
  2. Step 2: Convert to fraction form
    562.58/775.83 = 352.69/x
  3. Step 3: Cross multiply
    562.58x = 775.83 × 352.69
  4. Step 4: Simplify right side
    562.58x = 273,627.48
  5. Step 5: Solve for x
    x = 273,627.48/562.58
  6. Step 6: Final answer
    x = 486.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.