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Finding the Fourth Proportional to 1,059.80, 1,591.24 and 598.48

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Solution

The fourth proportional to 1,059.80, 1,591.24 and 598.48 is: 898.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.80 : 1,591.24 = 598.48 : x
  2. Step 2: Convert to fraction form
    1,059.80/1,591.24 = 598.48/x
  3. Step 3: Cross multiply
    1,059.80x = 1,591.24 × 598.48
  4. Step 4: Simplify right side
    1,059.80x = 952,325.32
  5. Step 5: Solve for x
    x = 952,325.32/1,059.80
  6. Step 6: Final answer
    x = 898.59

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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.