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Finding the Fourth Proportional to 1,079.89, 1,619.43 and 592.27

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Solution

The fourth proportional to 1,079.89, 1,619.43 and 592.27 is: 888.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079.89 : 1,619.43 = 592.27 : x
  2. Step 2: Convert to fraction form
    1,079.89/1,619.43 = 592.27/x
  3. Step 3: Cross multiply
    1,079.89x = 1,619.43 × 592.27
  4. Step 4: Simplify right side
    1,079.89x = 959,139.81
  5. Step 5: Solve for x
    x = 959,139.81/1,079.89
  6. Step 6: Final answer
    x = 888.18

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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.