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Finding the Fourth Proportional to 562.14, 776.05 and 352.86

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Solution

The fourth proportional to 562.14, 776.05 and 352.86 is: 487.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.14 : 776.05 = 352.86 : x
  2. Step 2: Convert to fraction form
    562.14/776.05 = 352.86/x
  3. Step 3: Cross multiply
    562.14x = 776.05 × 352.86
  4. Step 4: Simplify right side
    562.14x = 273,833.21
  5. Step 5: Solve for x
    x = 273,833.21/562.14
  6. Step 6: Final answer
    x = 487.13

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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.