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Finding the Fourth Proportional to 1,042.26, 1,438.27 and 600.17

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Solution

The fourth proportional to 1,042.26, 1,438.27 and 600.17 is: 828.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042.26 : 1,438.27 = 600.17 : x
  2. Step 2: Convert to fraction form
    1,042.26/1,438.27 = 600.17/x
  3. Step 3: Cross multiply
    1,042.26x = 1,438.27 × 600.17
  4. Step 4: Simplify right side
    1,042.26x = 863,206.51
  5. Step 5: Solve for x
    x = 863,206.51/1,042.26
  6. Step 6: Final answer
    x = 828.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.