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Finding the Fourth Proportional to 1,062.75, 1,594.22 and 293.25

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Solution

The fourth proportional to 1,062.75, 1,594.22 and 293.25 is: 439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.75 : 1,594.22 = 293.25 : x
  2. Step 2: Convert to fraction form
    1,062.75/1,594.22 = 293.25/x
  3. Step 3: Cross multiply
    1,062.75x = 1,594.22 × 293.25
  4. Step 4: Simplify right side
    1,062.75x = 467,503.55
  5. Step 5: Solve for x
    x = 467,503.55/1,062.75
  6. Step 6: Final answer
    x = 439.90

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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.