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Finding the Fourth Proportional to 1,079.19, 1,619.46 and 592.56

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Solution

The fourth proportional to 1,079.19, 1,619.46 and 592.56 is: 889.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079.19 : 1,619.46 = 592.56 : x
  2. Step 2: Convert to fraction form
    1,079.19/1,619.46 = 592.56/x
  3. Step 3: Cross multiply
    1,079.19x = 1,619.46 × 592.56
  4. Step 4: Simplify right side
    1,079.19x = 959,627.22
  5. Step 5: Solve for x
    x = 959,627.22/1,079.19
  6. Step 6: Final answer
    x = 889.21

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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.