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Finding the Fourth Proportional to 1,059.72, 1,462.40 and 593.97

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Solution

The fourth proportional to 1,059.72, 1,462.40 and 593.97 is: 819.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.72 : 1,462.40 = 593.97 : x
  2. Step 2: Convert to fraction form
    1,059.72/1,462.40 = 593.97/x
  3. Step 3: Cross multiply
    1,059.72x = 1,462.40 × 593.97
  4. Step 4: Simplify right side
    1,059.72x = 868,614.42
  5. Step 5: Solve for x
    x = 868,614.42/1,059.72
  6. Step 6: Final answer
    x = 819.67

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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.