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Finding the Fourth Proportional to 566.28, 848.34 and 305.64

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Solution

The fourth proportional to 566.28, 848.34 and 305.64 is: 457.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.28 : 848.34 = 305.64 : x
  2. Step 2: Convert to fraction form
    566.28/848.34 = 305.64/x
  3. Step 3: Cross multiply
    566.28x = 848.34 × 305.64
  4. Step 4: Simplify right side
    566.28x = 259,286.64
  5. Step 5: Solve for x
    x = 259,286.64/566.28
  6. Step 6: Final answer
    x = 457.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.