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Finding the Fourth Proportional to 949.02, 1,424.17 and 462.41

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Solution

The fourth proportional to 949.02, 1,424.17 and 462.41 is: 693.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    949.02 : 1,424.17 = 462.41 : x
  2. Step 2: Convert to fraction form
    949.02/1,424.17 = 462.41/x
  3. Step 3: Cross multiply
    949.02x = 1,424.17 × 462.41
  4. Step 4: Simplify right side
    949.02x = 658,550.45
  5. Step 5: Solve for x
    x = 658,550.45/949.02
  6. Step 6: Final answer
    x = 693.93

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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.