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Finding the Fourth Proportional to 562.53, 775.79 and 352.74

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Solution

The fourth proportional to 562.53, 775.79 and 352.74 is: 486.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.53 : 775.79 = 352.74 : x
  2. Step 2: Convert to fraction form
    562.53/775.79 = 352.74/x
  3. Step 3: Cross multiply
    562.53x = 775.79 × 352.74
  4. Step 4: Simplify right side
    562.53x = 273,649.17
  5. Step 5: Solve for x
    x = 273,649.17/562.53
  6. Step 6: Final answer
    x = 486.46

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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.