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Finding the Fourth Proportional to 562.38, 776.58 and 352.92

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Solution

The fourth proportional to 562.38, 776.58 and 352.92 is: 487.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.38 : 776.58 = 352.92 : x
  2. Step 2: Convert to fraction form
    562.38/776.58 = 352.92/x
  3. Step 3: Cross multiply
    562.38x = 776.58 × 352.92
  4. Step 4: Simplify right side
    562.38x = 274,070.61
  5. Step 5: Solve for x
    x = 274,070.61/562.38
  6. Step 6: Final answer
    x = 487.34

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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.