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Finding the Fourth Proportional to 1,483.30, 2,224.19 and 495.76

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Solution

The fourth proportional to 1,483.30, 2,224.19 and 495.76 is: 743.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.30 : 2,224.19 = 495.76 : x
  2. Step 2: Convert to fraction form
    1,483.30/2,224.19 = 495.76/x
  3. Step 3: Cross multiply
    1,483.30x = 2,224.19 × 495.76
  4. Step 4: Simplify right side
    1,483.30x = 1,102,653.31
  5. Step 5: Solve for x
    x = 1,102,653.31/1,483.30
  6. Step 6: Final answer
    x = 743.38

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1.5x scale

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.