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Finding the Fourth Proportional to 527.88, 792.05 and 322.62

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Solution

The fourth proportional to 527.88, 792.05 and 322.62 is: 484.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.88 : 792.05 = 322.62 : x
  2. Step 2: Convert to fraction form
    527.88/792.05 = 322.62/x
  3. Step 3: Cross multiply
    527.88x = 792.05 × 322.62
  4. Step 4: Simplify right side
    527.88x = 255,529.56
  5. Step 5: Solve for x
    x = 255,529.56/527.88
  6. Step 6: Final answer
    x = 484.07

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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.