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Finding the Fourth Proportional to 1,060.48, 1,589.76 and 376.32

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Solution

The fourth proportional to 1,060.48, 1,589.76 and 376.32 is: 564.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.48 : 1,589.76 = 376.32 : x
  2. Step 2: Convert to fraction form
    1,060.48/1,589.76 = 376.32/x
  3. Step 3: Cross multiply
    1,060.48x = 1,589.76 × 376.32
  4. Step 4: Simplify right side
    1,060.48x = 598,258.48
  5. Step 5: Solve for x
    x = 598,258.48/1,060.48
  6. Step 6: Final answer
    x = 564.14

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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.