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Finding the Fourth Proportional to 562.58, 776.04 and 338.36

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Solution

The fourth proportional to 562.58, 776.04 and 338.36 is: 466.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.58 : 776.04 = 338.36 : x
  2. Step 2: Convert to fraction form
    562.58/776.04 = 338.36/x
  3. Step 3: Cross multiply
    562.58x = 776.04 × 338.36
  4. Step 4: Simplify right side
    562.58x = 262,579.20
  5. Step 5: Solve for x
    x = 262,579.20/562.58
  6. Step 6: Final answer
    x = 466.74

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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.