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Finding the Fourth Proportional to 576, 792.32 and 552.32

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Solution

The fourth proportional to 576, 792.32 and 552.32 is: 759.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    576 : 792.32 = 552.32 : x
  2. Step 2: Convert to fraction form
    576/792.32 = 552.32/x
  3. Step 3: Cross multiply
    576x = 792.32 × 552.32
  4. Step 4: Simplify right side
    576x = 437,614.18
  5. Step 5: Solve for x
    x = 437,614.18/576
  6. Step 6: Final answer
    x = 759.75

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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.