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Finding the Fourth Proportional to 1,002.46, 1,504.06 and 482.68

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Solution

The fourth proportional to 1,002.46, 1,504.06 and 482.68 is: 724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002.46 : 1,504.06 = 482.68 : x
  2. Step 2: Convert to fraction form
    1,002.46/1,504.06 = 482.68/x
  3. Step 3: Cross multiply
    1,002.46x = 1,504.06 × 482.68
  4. Step 4: Simplify right side
    1,002.46x = 725,979.68
  5. Step 5: Solve for x
    x = 725,979.68/1,002.46
  6. Step 6: Final answer
    x = 724.20

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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.