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Finding the Fourth Proportional to 1,059.11, 1,589.03 and 474.52

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Solution

The fourth proportional to 1,059.11, 1,589.03 and 474.52 is: 711.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.11 : 1,589.03 = 474.52 : x
  2. Step 2: Convert to fraction form
    1,059.11/1,589.03 = 474.52/x
  3. Step 3: Cross multiply
    1,059.11x = 1,589.03 × 474.52
  4. Step 4: Simplify right side
    1,059.11x = 754,024.93
  5. Step 5: Solve for x
    x = 754,024.93/1,059.11
  6. Step 6: Final answer
    x = 711.94

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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.