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Finding the Fourth Proportional to 1,348.40, 2,022.06 and 482.24

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Solution

The fourth proportional to 1,348.40, 2,022.06 and 482.24 is: 723.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.40 : 2,022.06 = 482.24 : x
  2. Step 2: Convert to fraction form
    1,348.40/2,022.06 = 482.24/x
  3. Step 3: Cross multiply
    1,348.40x = 2,022.06 × 482.24
  4. Step 4: Simplify right side
    1,348.40x = 975,118.21
  5. Step 5: Solve for x
    x = 975,118.21/1,348.40
  6. Step 6: Final answer
    x = 723.17

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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.