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Finding the Fourth Proportional to 1,071.31, 1,606.41 and 584.23

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Solution

The fourth proportional to 1,071.31, 1,606.41 and 584.23 is: 876.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071.31 : 1,606.41 = 584.23 : x
  2. Step 2: Convert to fraction form
    1,071.31/1,606.41 = 584.23/x
  3. Step 3: Cross multiply
    1,071.31x = 1,606.41 × 584.23
  4. Step 4: Simplify right side
    1,071.31x = 938,512.91
  5. Step 5: Solve for x
    x = 938,512.91/1,071.31
  6. Step 6: Final answer
    x = 876.04

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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.