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Finding the Fourth Proportional to 554.88, 832.96 and 528.32

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Solution

The fourth proportional to 554.88, 832.96 and 528.32 is: 793.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.88 : 832.96 = 528.32 : x
  2. Step 2: Convert to fraction form
    554.88/832.96 = 528.32/x
  3. Step 3: Cross multiply
    554.88x = 832.96 × 528.32
  4. Step 4: Simplify right side
    554.88x = 440,069.43
  5. Step 5: Solve for x
    x = 440,069.43/554.88
  6. Step 6: Final answer
    x = 793.09

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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.