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Finding the Fourth Proportional to 841.24, 1,262.04 and 293.44

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Solution

The fourth proportional to 841.24, 1,262.04 and 293.44 is: 440.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    841.24 : 1,262.04 = 293.44 : x
  2. Step 2: Convert to fraction form
    841.24/1,262.04 = 293.44/x
  3. Step 3: Cross multiply
    841.24x = 1,262.04 × 293.44
  4. Step 4: Simplify right side
    841.24x = 370,333.02
  5. Step 5: Solve for x
    x = 370,333.02/841.24
  6. Step 6: Final answer
    x = 440.22

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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.