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Finding the Fourth Proportional to 587.54, 881.64 and 222.32

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Solution

The fourth proportional to 587.54, 881.64 and 222.32 is: 333.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.54 : 881.64 = 222.32 : x
  2. Step 2: Convert to fraction form
    587.54/881.64 = 222.32/x
  3. Step 3: Cross multiply
    587.54x = 881.64 × 222.32
  4. Step 4: Simplify right side
    587.54x = 196,001.80
  5. Step 5: Solve for x
    x = 196,001.80/587.54
  6. Step 6: Final answer
    x = 333.60

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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.