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Finding the Fourth Proportional to 528.32, 792 and 336

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Solution

The fourth proportional to 528.32, 792 and 336 is: 503.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    528.32 : 792 = 336 : x
  2. Step 2: Convert to fraction form
    528.32/792 = 336/x
  3. Step 3: Cross multiply
    528.32x = 792 × 336
  4. Step 4: Simplify right side
    528.32x = 266,112
  5. Step 5: Solve for x
    x = 266,112/528.32
  6. Step 6: Final answer
    x = 503.69

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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.