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Finding the Fourth Proportional to 1,478.36, 2,218.12 and 600.92

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Solution

The fourth proportional to 1,478.36, 2,218.12 and 600.92 is: 901.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478.36 : 2,218.12 = 600.92 : x
  2. Step 2: Convert to fraction form
    1,478.36/2,218.12 = 600.92/x
  3. Step 3: Cross multiply
    1,478.36x = 2,218.12 × 600.92
  4. Step 4: Simplify right side
    1,478.36x = 1,332,919.72
  5. Step 5: Solve for x
    x = 1,332,919.72/1,478.36
  6. Step 6: Final answer
    x = 901.62

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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.