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Finding the Fourth Proportional to 554.67, 832 and 189.26

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Solution

The fourth proportional to 554.67, 832 and 189.26 is: 283.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.67 : 832 = 189.26 : x
  2. Step 2: Convert to fraction form
    554.67/832 = 189.26/x
  3. Step 3: Cross multiply
    554.67x = 832 × 189.26
  4. Step 4: Simplify right side
    554.67x = 157,460.16
  5. Step 5: Solve for x
    x = 157,460.16/554.67
  6. Step 6: Final answer
    x = 283.88

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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.