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Finding the Fourth Proportional to 1,482.83, 2,223.49 and 495.29

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Solution

The fourth proportional to 1,482.83, 2,223.49 and 495.29 is: 742.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.83 : 2,223.49 = 495.29 : x
  2. Step 2: Convert to fraction form
    1,482.83/2,223.49 = 495.29/x
  3. Step 3: Cross multiply
    1,482.83x = 2,223.49 × 495.29
  4. Step 4: Simplify right side
    1,482.83x = 1,101,272.36
  5. Step 5: Solve for x
    x = 1,101,272.36/1,482.83
  6. Step 6: Final answer
    x = 742.68

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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.