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Finding the Fourth Proportional to 1,141.70, 1,711.13 and 593.56

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Solution

The fourth proportional to 1,141.70, 1,711.13 and 593.56 is: 889.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141.70 : 1,711.13 = 593.56 : x
  2. Step 2: Convert to fraction form
    1,141.70/1,711.13 = 593.56/x
  3. Step 3: Cross multiply
    1,141.70x = 1,711.13 × 593.56
  4. Step 4: Simplify right side
    1,141.70x = 1,015,658.32
  5. Step 5: Solve for x
    x = 1,015,658.32/1,141.70
  6. Step 6: Final answer
    x = 889.60

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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.