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Finding the Fourth Proportional to 573.05, 792.11 and 527.69

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Solution

The fourth proportional to 573.05, 792.11 and 527.69 is: 729.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.05 : 792.11 = 527.69 : x
  2. Step 2: Convert to fraction form
    573.05/792.11 = 527.69/x
  3. Step 3: Cross multiply
    573.05x = 792.11 × 527.69
  4. Step 4: Simplify right side
    573.05x = 417,988.53
  5. Step 5: Solve for x
    x = 417,988.53/573.05
  6. Step 6: Final answer
    x = 729.41

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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.