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Finding the Fourth Proportional to 1,060.73, 1,590.14 and 376.57

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Solution

The fourth proportional to 1,060.73, 1,590.14 and 376.57 is: 564.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.73 : 1,590.14 = 376.57 : x
  2. Step 2: Convert to fraction form
    1,060.73/1,590.14 = 376.57/x
  3. Step 3: Cross multiply
    1,060.73x = 1,590.14 × 376.57
  4. Step 4: Simplify right side
    1,060.73x = 598,797.14
  5. Step 5: Solve for x
    x = 598,797.14/1,060.73
  6. Step 6: Final answer
    x = 564.51

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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.