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Finding the Fourth Proportional to 591.72, 885.15 and 529.62

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Solution

The fourth proportional to 591.72, 885.15 and 529.62 is: 792.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.72 : 885.15 = 529.62 : x
  2. Step 2: Convert to fraction form
    591.72/885.15 = 529.62/x
  3. Step 3: Cross multiply
    591.72x = 885.15 × 529.62
  4. Step 4: Simplify right side
    591.72x = 468,793.14
  5. Step 5: Solve for x
    x = 468,793.14/591.72
  6. Step 6: Final answer
    x = 792.26

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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.