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Finding the Fourth Proportional to 1,175.28, 1,762.46 and 444.46

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Solution

The fourth proportional to 1,175.28, 1,762.46 and 444.46 is: 666.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175.28 : 1,762.46 = 444.46 : x
  2. Step 2: Convert to fraction form
    1,175.28/1,762.46 = 444.46/x
  3. Step 3: Cross multiply
    1,175.28x = 1,762.46 × 444.46
  4. Step 4: Simplify right side
    1,175.28x = 783,342.97
  5. Step 5: Solve for x
    x = 783,342.97/1,175.28
  6. Step 6: Final answer
    x = 666.52

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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.